Doctoral student Flávia Feitosa reporting from Brazil
April 2008
Time to go back to Bonn
My field research is over and it is time to go back to Bonn. Undoubtedly, the thing that impressed me the most during this period in São José dos Campos was the chance I had to re-discover this city where I had previously lived for more than 3 years. Of course I had always been aware that my daily activities covered only a privileged and small portion of the city. Also, I had already visited some public settlements and other poor neighborhoods in the city during my master studies. But this time was different, I visited every single neighborhood and this fact introduced me to a new city, not only remarkable by its contrasts, but also the heterogeneity of its poverty. Such heterogeneity is characterized by some places being extremely violent while others being peaceful; some having no infrastructure at all while others were well provided; some having houses while others simply had shacks; some were incredibly far and isolated while others were more integrated into the city; some were legal while others were the outcome of illegal processes of subdivision or simply the invasion of empty or protected areas; and some had small subdivisions while many others had bigger plots and rural characteristics.
Who could expect all that from a city that is considered to be so wealthy, a technological center where satellites, jets and airplanes are designed and built?
My field research also included many visits to government institutions. As I have already described in this blog, the aim of most of these visits was to obtain existing official data. But there were some special cases, like my constant visits to the Municipal Public Archive. Many people found my work at the archive to be intriguing, stopping to inquire and find out why I was systematically copying advertisement information from the classified sections of old newspapers. Well, it was not that easy to guess the purpose of such an activity. I was actually collecting historical data about the real estate market, the idea being to collect the dwelling/land asking price in different neighborhoods within the city. Collecting and processing this data was definitely the most boring thing I have done during my field work! But I will try to focus on the gratifying side of this sacrifice.
First, the product we produced was great: the tables and maps created from this data, which show how real estate values and offers changed in the last decade, represents a key data set for understanding residential dynamics. Second, the time I spent at the municipal public archive was actually interesting. Looking through the pages of those old newspapers was like traveling back in time. I had the chance to read about many things that happened while I was a child, such as the news about old TV shows that I used to watch, or about Collor, the first president elected after a long period of dictatorship, who later suffered a process of impeachment due to corruption. It was also impressive to recall the major instability in the Brazilian economy during the early 90's and how the prices of dwellings would erratically rise due to the effect of inflation that was often increasing at rate of more than 1000 % per year.
The time I had in São José dos Campos - driving around, talking with people, visiting institutions, or while I was simply working in my office - was an enriching opportunity which I used to rediscover this place in a new light. I used this time to better understand the reality of what segregation really means and how it can affect the life of people. Indeed, it was definitely comfortable to be around old friends, to use my own language, and to have all the Brazilian things that were so familiar. But now I'm ready for the next phase of my work in Bonn. I feel more than ready to come back to ZEF and the daily fascination of learning from this unique environment where different cultures integrate and various backgrounds coexist.

A semi-detached house
March 2008
The other side of the story: Jardim São José II
Removing people from three shantytowns and concentrating them in a remote place can't be something good - was my first thought when I heard about Jardim São José II. Jardim São José II is a social housing settlement built in 2003 for accommodating about 450 families coming from favelas known as Nova Tatetuba, Caparaó, and Nova Detroit. It was the first place I wanted to visit after my meeting with the housing department director, but at this time I didn't want to conduct a field work as I usually do. My visits to social housing settlements - or I should say poor neighborhoods in general - are normally pretty much 'controlled', done with the accompaniment of a social worker, or quickly done by car, taking pictures, and checking places, equipments, housing typologies and land uses. This time I needed a different approach; I should be able to interact with the residents in order to understand their opinions about the positive and negative aspects of their new place. For this reason, it was better to leave the car and spread sheets for another time, and simply go there by bus, early in the day, when the place is not considered to be dangerous. So I did.
After a one hour bus trip, I arrived at Jardim São José II accompanied by Roberta, a field assistant that has the perfect character for this task; always happy, outgoing and motivated. Her first comment about the neighborhood was: 'Wow, what a lively place!' There were so many people on the streets, women talking to each other, kids around, and loud music playing everywhere. The atmosphere was definitely much different from the neighborhoods Roberta and I are familiarized to, where neighbors would complain about any excessive noise, where kids are not allowed to play outside the walls of their houses or condos, and adults are mostly busy at work.
Concerning physical aspects, Jardim São José II has a basic infrastructure, which is in general appreciated by the residents: paved streets, health center, school, and a foundation that provides some social assistance. The area is occupied by standard semi-detached houses that have been slowly modified by the residents. We found diverse opinions about the dwelling units: while some came from really precarious shacks and seem to be satisfied, others were well-established at their old place and felt really unhappy for being forced to leave the dwelling that they had slowly improved and enlarged for years and years. Despite the divergent opinions, there was one interesting feature that motivated complaints from every single person who talked about the house: the thin wall separating the two families living within semi-detached dwellings. The comments about the lack of privacy were serious, but were usually explained with a very funny story, such as: 'The neighbor knows everything about my family, every time I want to fight with my husband I'm forced to make the sound of my stereo as loud as possible!' or even 'This is worse than hell, I don't wanna listen to the farts of my neighbor anymore'. I had lots of fun with such testimonials, and they also taught me how the loud music around the neighborhood can have practical functions that go beyond entertainment.
Despite this apparent spontaneity and easiness, our experience was actually a bit tense at times. The first thing that provoked some astonishment occurred during the bus trip to Jardim São José II, when Roberta and I observed many young guys jumping the turnstile in order to travel without paying their bus fare. I was paying attention on the reaction of the ticket gatherer who sits beside the turnstile, and he was naturally watching and accepting such behavior, in a kind of mutual complicity (or maybe fear). This was strange for me, but still fine, especially when I consider that a round-trip costs about $2.50 USD, which is an unfair price for them. Another 'strange event' happened at the settlement, when suddenly I saw a car that looked incredibly expensive, contrasting with everything I had seen there so far. I was curious to see who the driver was: 'maybe an unusual visit of a politician?', I thought. The surprise came when I realized that the driver was actually a small black boy, of no more than 12 years old, and he was even having problems seeing above the steering wheel. Well, Roberta and I discreetly looked at each other and our silence signalized it was better to avoid comments and explanations.
Afterwards, we saw a group of women, surrounded by many kids, and we decided to just go talk with them. Their reaction was a bit odd, quite defensive, and different from the reaction of those we had met till then. But after some time, the conversation started to flow, and it continued like that until the moment when I committed a crucial mistake: I took a digital camera out of my purse and said 'Roberta, could you take a picture of us?' It was like having a sudden storm on our heads. They abruptly stood up, took their kids, and went strait to their houses telling us they wanted no pictures. We also reacted quickly - 'ok, no pictures' -, but it was too late. Then one of the women came back and said: 'Sorry for that, people here are suspicious of their own shadow. It is because at the time we arrived here, about 2 or 3 people had been murdered, just about every night.'
I know that the woman's words were an overstatement, but it was definitely enough for us! So, Roberta and I decided that we have called enough attention and it was time to leave. But then we had to face the reality of public transportation in such a distant and poor neighborhood; the soonest the next bus would arrive was 1 hour later. Considering that, our next plan was to go to the foundation and continue this visit under the supervision of a social worker who was already familiar to everyone. But on our way to the foundation we found another group of women, and they were so outgoing, with so many things to say, that we spent the remainder of our time with them. They acted as though they feared nothing, talking openly about so many things, and even asking us to send journalists there, and being very happy to have their pictures taken. I wonder why they behaved so differently from the first group but the only guess I have is related to the fact that they came from another favela. By the way, it was interesting to see how some people there despise neighbors who used to live in a favela different from the one they came from. They would also complain about being victims of prejudice, because nobody wants to give a job to someone who lives in Jardim São José II and so on. I thought: 'That sounds contradictory! They complain about the prejudice against them but act as prejudiced people against their own neighbors.' Actually, it is a fact that those who moved to Jardim São José II suffer with the stigma of living in a place where all the residents came from favelas, but at the same time they are happy with the fact that their old neighbors also moved to the same place and friendly relationships can be kept. Considering that, who can they blame for the stigmatization of their neighborhood? They blame those who are not their friends, who came from a different favela.
The stigmatization of Jardim São José II is a direct outcome from the segregation, and it is closely related to the difficulties of finding work or other income sources. However, one can argue that the favelas' residents are victims of prejudice as well, so what is the difference now? It is the scale of segregation. The favelas where these people came from were closer to commercial areas and middle-class neighborhoods. They were already segregated, but on a smaller scale. By walking small distances, they could easily find wealthier people and some work opportunities, like cleaning a family house, or collecting and selling recyclable waste. But Jardim São José II is far from everything; it is isolated on a broader scale, and this fact intensifies the perverse consequences of segregation. Some residents described how the process of relocation was accompanied by the promise of installing a brick factory in Jardim São José II, which was intended as a potential source of income generation for the residents. However, the brick factory project failed, and in general the residents are not satisfied with their new situation. Before moving, many residents had horse carriages for hauling recyclable waste, but were forced to sell their horses because Jardim São José II is too far from the recycling industry and has no stable to keep the animals. A woman added that she also used to rent the ground-floor of her house, but lost this source of income after the relocation to the new neighborhood. Her story reminded me of something the housing department director had said about "the poor exploiting the poor". It was interesting to see how something that is considered as 'exploitation' from one side, is an important 'income source' for the other side.
Increasing rates of unemployment come together with the emergence of illegal activities. I heard things like: 'It is difficult to not 'turn the head' when you live under such conditions', in other words, it is difficult to keep far from selling/consuming drugs. I was surprised when some women started to tell me stories about the time when they were dealing drugs. They used the past tense to describe experiences that were clearly still part of their present. One of them had even been arrested. We read news every day about drug dealers being arrested, and it was odd to realize that this friendly woman was actually one of those 'criminals'. But how can we judge a drug dealer who is also a woman, single mom with three kids, and no job for more than two years? We can't blame this person, but those who left her without any other choice.
February 2008
Meeting the managers: My interview with the Head of the Housing Department
Since my work is concerned with understanding segregation dynamics, it is important to focus on the different mechanisms that promote this phenomenon. The controlling power of the State can be one of them and it has often been accused of intensifying residential segregation through its permissiveness, legislations, or investments. Public housing policies are a typical example, since most projects consist in building social houses in the urban periphery, where land is cheaper and a larger number of dwellings can be built and advertised before the coming election. The main problem is that these projects usually promote isolation and stigmatization of poor families, reducing their opportunities for jobs and skill upgrading, and keeping them away from social participation at societal level.
The housing policies in São José dos Campos have not been very different from the norm. For the last 10 years the city has implemented a program called 'desfavelização', which has consisted of relocating inhabitants of favelas (the Brazilian equivalent of a shanty towns) to public housing settlements (see picture). Many protests have emerged against this policy. According to activists, urban planners and sociologists, a new attitude toward favelas is necessary. Instead of demolishing the shanty towns and forcing the inhabitants into distant public housing settlements, the idea is to upgrade the basic infrastructure, dwellings, and provide social services in the existing areas.
After stating that, it is clear why I was so glad when the director of the housing department agreed to meet me in order to present the future housing projects for the city and talk about the data I was requesting. This director has led the housing department since 1996 and has been the target of many local protests, which often accuse her of implementing authoritarian policies that actually promote segregation. On the other hand, she has been very successful in establishing partnerships with funding institutions, building an increased number of social houses, and decreasing the housing deficit of the city.

Clandestine settlement
The advantage of being a foreigner
Once I entered the director's office for my meeting, I could see she looked exactly the way I expected: strong, decisive and self-assured. After exchanging greetings, the first thing she said was that she never gives data to students, since, in her opinion, they are all sympathetic to opposition parties, with the main intent of their studies being to criticize her department. However, she also said I seemed to be an exception, since I was an 'outsider' conducting my PhD in Europe. After hearing that, the only thing I could do was to take advantage of my condition as a 'foreign', emphasize my 'non-political' interests, and listen to what she had to say in order to understand better how the things work in her department. We talked a bit about my work, although I had to be extremely careful about the word segregation, which was not welcome at all. When the word appeared, she immediately claimed that everybody criticizes her for building houses in far places and said: 'I could build houses in more central areas, but it is expensive, and if I have to choose between building ten houses downtown and a hundred in the periphery, I will choose to build a hundred.' Well, this was a clear statement, which advocates a quantitative criterion of assessing housing policies. Then we started to talk about the program of 'desfavelização', which she has led since assuming her position. Opponents may have many arguments against the program, but one thing is a fact: she has achieved nearly all of the program's goals, which was to finish with the favelas of the city. The only remaining favela is the 'Favela of Banhado', which is located in a preservation area at the heart of the city. The favela has been 'frozen' for ten years and nobody can build a single wall there, but the residents keep resisting in leaving the place. The resistance is an expected reaction, since the favela is in an incredibly good location, where many formal and informal jobs can be found. The director, however, advocates that the resistance comes from few residents, who somehow profit from the favela's existence, such as drug dealers. According to the director, the resistance is also promoted by residents who own two or more shacks and profit from their rent. 'It is the poor exploiting the poor' she said.
All about favela's
The central favelas, such as 'Favela do Banhado', have been the most problematic in the 'desfavelização'program, and the director had some bad experiences to tell about the process of dealing with them. As a reaction to the constant criticisms against the program and the segregation it was promoting, the department decided to keep inhabitants from central favelas in central areas. The first trial was to move the inhabitants of a favela named Santa Cruz II to a condominium composed by two buildings. The result was a disaster, since the place was absolutely taken over by drug dealers. Nowadays, the condominium is a central spot where nobody from outside is allowed to enter, not even the social assistants, who are usually very good in establishing 'silence pacts' to be able to bring social benefits to the local residents. I asked if she was aware about housing policies that were implemented in countries with similar problems and I received a defensive negative answer. Then I decided to change the direction of the conversation, but it was clear during the meeting that 'learning-by-doing' has been the chosen approach at the department.
Other bad experiences happened at the Favela Santa Cruz I, the only one that passed through an urbanization process instead of a removal. Besides issues about the high cost per capita of the favela's urbanization, the director described that during the work of paving the existing paths, an engineer was kept arrested inside the favela for three days and a wall was built by drug dealers. 'No work should be done beyond the wall', it was the message sent to the housing director. It was a strategy that the dealers found to keep their power in the ghetto, since the urbanization integrates the favela better with the rest of the city and facilitates the State control. As it is possible to observe, violence was a constant topic in our conversation. She told me how she suffered many death threats during these years leading the housing department, the experience of having a gun pointed to her head, and how she was forced to have security guards protecting her during a long period.
After the topic of favelas, we started to talk about clandestine settlements, which the director considers to be the main challenge of the department right now. Most of these clandestine settlements are located in peripherial areas, and are the result of illegal subdivisions and occupation of lands that were originally characterized by rural activities. São José dos Campos has more than 90 clandestine neighborhoods, some of these having been in existence for more than 20 years. These settlements are not part of the 'legal city', do not pay taxes nor receive any public investment. In short, they are usually not in better conditions than the favelas. It is part of the housing department's work to incorporate these invisible places into the city, by registering them, improving their infrastructure and providing public services. The director talked a lot about how these areas will become legal, from identification and mapping, to the process of urbanization itself. She showed some detailed plans, how it is necessary to remove some of the residents that are located in risky areas and other details of the whole process.
Finally, we talked about the data I was seeking, she agreed in providing what I was requesting and I could have it next week. She also introduced me to a social worker within her group, who made another presentation about the relocation of favelas and the new social housing settlements. But after hearing all the official side of the story, I was really curious to visit some of these new settlements and listen a bit to what the residents had to say. And this 'other side of the story' will be the topic of my next post.

A social housing settlement in Campos Alemaes
January 2008
Dealing with institutions: challenges in getting data
A significant part of my field research concerns acquiring data from different institutions. Some of this data is easily obtained, such as data produced by the National Census Bureau, which provides low priced CDs containing different types of socio-demographic microdata. It is also the case of some types of satellite images, which I can get directly from INPE. In both of these cases, I'm dealing with national institutions that have clear policies for disseminating the data they produce. However, the reality tends to be much different when dealing with municipal institutions. Although I had been aware of the bureaucracy I would face while obtaining municipal data, I never could have imagined how much patience, tact, and insistence that this task would require!

- City Hall: Protests against housing policies
While I sensed that the housing department had a centralized structure, ruled by a very decisive woman, the urban planning department seemed to have a different organization. My first contact there was with the head of the GIS section, who immediately provided me with the data that is considered to be 'public' and then gave me some tips on how to acquire data that required additional permissions. She also introduced me to the head of the research section, where the most important data for my work resided. This is the dataset of a survey conducted by a group of demographers, which includes information about intra-urban mobility, in other words, why people move from one residence to another. I had already talked with the group that organized the survey and collected some information about it, such as questionnaires, reports and its sample design. But this would be useless if I couldn't acquire permission from those who paid for it. Although very friendly, the head of the research section told me that this was the first requirement for the dataset/microdata itself and we would have to wait for the 'verdict' from the urban planning department director. The time of waiting for the director's answer was incredible uneasy, since the whole direction of my field research would have to be changed in case of a negative result. But in the end, everything went fine, despite the fact that the whole process of 'first contact/official requirement/receive the permission/get the data' took nearly 3 months.
So far I have described successful stories and these were definitely not those who consumed me the most. My first 'failure' was at the cadastre section of the treasury department. From this place I wanted to obtain data about urban buildings, such as its use (e.g., commercial or residential), condition, and fiscal value. While talking with the man responsible for this data, I could feel a strong impatience from his side. I had the impression that he was probably thinking something like: 'Please, let's skip this entire introduction and tell me exactly what you want'. So I tried to be as direct as possible, and received a dry answer affirming that it is impossible to have a digital table with this information, and that I should make an official requirement for having the data in a printed format. Ok, but what should I do with this huge pile of papers? Digitize all the information of more than 200.000 buildings? I submitted an official requirement anyways, but no sign of an answer so far. Meanwhile I started looking for alternative sources of information to serve as a proxy of the data I am seeking.
But the worst case, where I tested all my ability of being insistent, happened at the transportation department, where I was trying to acquire temporal data of public transport. I followed the standard procedure of going there, talking with the person who holds the data, and writing an official requirement. The answer came after a long time and many calls asking about the status of my request. I received the following response: 'Sorry, the public transport of the city is currently under a bidding process and our data is being protected. We advice you to use the information available in the internet'. The homepage of the department provides a consult system with the buses itineraries. Is it possible to organize, digitalize, and include this data in my geographical database? Yes, but it will require additional effort for something that already exists. However, I also need the same data for past years, when many of the current neighborhoods did not exist yet. This information is not available in internet, since nobody wants to check the bus schedule of 15 years ago. For this reason, instead of trying to understand the unclear relation between the denial of my request and the bidding process, I decided to focus on trying to obtain at least the data for some past years. I explained a bit more about the project and what I would do with the information (to make very clear that my intent is not to criticize the public transport system they advocate). Then I showed understanding for the need for confidentiality during this bidding period (I don't understand, but conflicts wouldn't help me), and asked about the possibility of obtaining only the outdated data (and therefore 'harmless' for the bidding process). The answer was negative again. Finally, I decided to write again (I didn't give up yet) and ask about the possibility of having the data after the bidding. I received no clear answer, only a repetition about the importance of confidentiality during the bidding period. So, the insistence exercise is over for now. I will probably try again during this new year. But only after the bidding process, of course!
November 2007
The Study Area: São José dos Campos, Brazil
When I tell people that my study area is a medium-sized Brazilian city, I often hear the question: "And how many inhabitants are there?" After responding that São José dos Campos has more than 600.000 inhabitants, the reaction I often get is something like: "It is double the size of Bonn's population!" or "But this is the same size as Frankfurt! Do you know that Frankfurt has the 5th largest population in Germany?" In fact, the population of Brazilian cities cannot be compared with that of German ones. A good way to get an idea of this difference is to visualize São José dos Campos as being 100 km from the huge metropolitan area of São Paulo, which has 19 million inhabitants.
I had different reasons for chosing São José dos Campos as my study area. First, I had already conducted a quantitative study about the residential segregation of the city, and had recognized changes in patterns that coincided with what has been qualitatively observed in many other Brazilian cities. Second, I did my Master studies there and knew that my Master's advisors would provide me an office space, good scientific environment, and infrastructure for my field research. Finally, São José dos Campos has a good amount of data and I was aware of an official survey with information about intra-urban residential mobility, a key data source for understanding the locational behavior of different social groups and for parameterizing the model I'm building.
São José dos Campos is well known for its industries and research centers. During the military dictatorship, from 1964 to 1985, the city consolidated a strong aerospace and military sector. At this time, São José dos Campos was the base of the newly created Brazilian aerospace program and the government encouraged the founding of companies to manufacture jet aircraft, tanks and weapons for military use. Such facts remind me of some "advice" I got in 2003, when I came here for the first time: "Flávia: if Brazil ever gets involved in a war, we should leave the city immediately because this place will be the first target!" The advice was, of course, paranoid and outdated. In fact, the city faced a serious crisis with the end of the dictatorship, when many industries went bankrupt and more than 20,000 people lost their jobs.
The industrial sector started to recover during the second half of the 1990's and, nowadays, São José dos Campos presents the 13th highest municipal contribution to the national GDP with a per capita GDP of $10,715 USD while the country's average is $8,584 USD. Despite this apparent wealth, São José dos Campos presents increasing rates of poverty and inequality, a situation that has resulted in a city full of ghettos.
Poor ghettos X Rich ghettos
São José dos Campos has poor ghettos that are well-know for being dangerous places, controlled by dealers who are trafficking drugs. It is not smart to go there without having a contact from inside, someone who lives there and can guide us through the neighborhood. The procedure for doing a survey is to contact the residents association or any other local institution (e.g., a school) and try to find someone who would like to accompany us through the place.
On the other extreme, we have the "rich ghettos", which are gated communities protected by security guards and other shielding mechanisms. To describe how to reach these gated communities, I could just copy and paste the sentence I wrote about the poor ghettos: 'It is not smart to go there without having a contact from inside, someone who lives there and can guide us through the neighborhood'. The procedure to do a survey in these places is to contact a friend, or a friend of a friend, who resides there and can authorize the entrance at the moment when we are stopped by the security. Although I called these places "rich ghettos", it is important to mention that they are not necessarily for rich people. Actually most of them are built for middle-class workers, who look for this alternative in order to protect their families from violence. These neighborhoods have been called by urban planners as the "anti-city"; areas that deny the rest of the city, protected by walls, with their own rules, streets, parks and facilities. The western region of São José dos Campos gives us a strong feeling of what this expression means. It is a region of residential expansion where new "fortresses" are built all the time (see picture) and almost no urban life can be found beyond the walls.

- Sign warning of the electric fence protecting the gated community
These poor/rich residential ghettos I just mentioned are the most segregated areas of the city, and I will write a bit more about them later.
The National Institute for Space Research - INPE
The place where my office space is located, the National Institute for Space Research (INPE), could also be called a kind of "scientific" fortress. For two years I was a Master student at INPE, and following my graduation I worked there as a research assistant for a year before starting my PhD. Although the institute has become a very familiar place, I still remember the first time I arrived at INPE and how impressed I was with the imposing entrance, the presence of security guards well-dressed in black suits, cameras everywhere, the entrances and exits being controlled by personal name tags with chips, and cars being randomly inspected during their exit. I thought: 'Wow, this looks like a place where high technological secrets are being protected from spies'. But after hearing many stories, including a tragic one about a bank robbery that ended up with the death of one person, I realized that nowadays this control focuses less on scientific secrets, and more on protecting the institution against robberies and urban violence in general. Anyhow, what I can say is that INPE offers a great environment, with highly-qualified scientists. Thanks to that, my field research has an "academic" touch which goes beyond data collection and processing. I enjoy exchanging ideas with other people who are also working with modeling, receiving their feedback and learning from their experiences. I must confess that I consider this as the easy part of the work, where everybody talks a similar language and discordances often bring something better. It is much more difficult to face what lies beyond the walls of this fortress, where communication is often not as easy.

- Entrance of an enclosed neighborhood
October 2007
My first badge: Short Introduction
My name is Flávia Feitosa and, as a Brazilian, I choose the word "contrast" as the best one to define my country. Brazil ranks amongst the nations with the highest indicators of socioeconomic inequality in the world, a statistic that materializes spatially in the cities. Even the most unaware observer won't be able to ignore the existence of radically distinct conditions in Brazil's urban areas, where shacks in risky and roughly equipped areas contrast with rich enclosed neighborhoods protected by surveillance systems.
So, why do I mention this? Because it has to do with my research interest, which is about 'socio-economic residential segregation'. Simply defined, residential segregation is a concept used to indicate the separation between different social groups in an urban environment. It is often identified as a negative phenomenon that imposes restrictions to disadvantaged population groups, such as difficulties in accessing infrastructure and facilities, as well as a higher exposure to natural disasters and diseases. Besides consequences concerning the territory, the combination of poverty and segregation also intensifies the reproduction of poverty by reducing opportunities for jobs and skill upgrading, and increasing racial and social prejudice. Finally, residential segregation is related to impacts that are not restricted to poor families and also affects the remaining inhabitants of the city, through increases in fear and violence.

- View of a "favela" (slum)
I'm an architect and urban planner, and my scientific interest about this topic started in 2003, during my master studies, when I focused on the development of global and local spatial measures of segregation. Through global measures it is possible to obtain the segregation degree of the city as a whole, while the local measures can be displayed as "maps of segregation" that reveal spatial patterns and indicate the most segregated areas.
Although very useful for diagnoses, these measures are simply snapshots of the segregation of a city. These snapshots can be compared through time but cannot reveal too much about the dynamic of segregation, which factors influence this dynamic, and how urban policies can act to minimize or intensify the phenomenon. Such shortcomings represent exactly my challenges as a PhD student at ZEF.
But how to understand the dynamics of segregation? Segregation has many features of a so called 'complex phenomenon'. Micro-level interaction between households and their urban environment are responsible for generating macro-level patterns of segregation. Such features that are inherent to segregation require the adoption of a bottom-up approach, which focuses on the individual behavior in a certain spatial environment and how the interactions of these individuals create global structures. Considering that, my work concerns the development of a multi-agent simulation model of urban residential dynamics for understanding the evolution of socioeconomic segregation and supporting policy strategies able to minimize the phenomenon.
My study area is São José dos Campos, a medium sized Brazilian city located at the State of São Paulo. During a preparatory period at ZEF I developed a simple prototype of the model with artificial data inspired on the structure of this city. Afterwards, I felt ready to start my field research with the main purpose of collecting the necessary data to build an empirical model. And it is what I have been doing since arriving here in September 2007.









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