Scientific Papers

2020

• Sakketa, T. G. and N. Gerber (2020). Rural shadow wages and youth agricultural labor supply in Ethiopia: Evidence from farm panel data. Research in Labor Economics, 48:61-105 [Link]
• Saini, S. A. Gulati, J. von Braun and L. Kornher. (2020). Indian farm wages: Trends, growth drivers and linkages with food prices (ZEF Discussion Paper 301) [PDF]
• Sakketa, T. G. (2020). Africa's social capital - strong enough for coping with COVID-19?. Rural 21, 54(2) [Link]
• Latka, C., Heckelei, T., Kuhn, A., Witzke, H.-P. and L. Kornher (2020). CAP measures towards environmental sustainability - Trade opportunities for Africa? (ZEF Discussion Paper 295) [PDF]
• Kornher, L. and J. von Braun (2020).  EU Common Agricultural Policy - Impacts on Trade with Africa and African Agricultural Development. (ZEF Discussion Paper 294) [PDF]
• Bonuedi, I., Kornher, L. and N. Gerber (2020). Making cash crop value chains nutrition-sensitive: Evidence from a quasi-experiment in rural Sierra Leone. (ZEF Discussion Paper 293) [PDF]
• Kankwamba, H. and L. Kornher (2020). Business registration and firm performance: A case of maize traders in Malawi.Performance, behaviour and organization of maize trading in Malawi. Development in Practice, 30(7):850-861. [Link]
• Richartz, C., A. Abdulai L. and Kornher (2020). Attribute Non-Attendance and Consumer Preferences for Online food products in Germany. German Journal of Agricultural Economics, 69(1):245-264. [Link]

2019

• Sakketa, T. G. and J. von Braun. (2019). Labor-intensive public works programs in sub-Saharan Africa: Experiences and implications for employment policies. ZEF Working Paper Series, 180: 44. [PDF]
• Bhopal, A., K. Blanchard, R. Weber, V. Murray (2019). Disasters and Food Security: The Impact on Health. International Journal of Disaster Risk Reduction, 33, 1-4. [PDF]
• Kornher, L., M. Schellhorn, S. Vetter (2019). Disgusting or Innovative-Consumer Willingness to Pay for Insect Based Burger Patties in Germany. Sustainability, 11(7). [Link]
• Kankwamba, H. and L. Kornher (2019). Performance, behaviour and organization of maize trading in Malawi. Agricultural and Food Economics, 14 (7). [Link]
• Weber R. and L. Kornher. (2019) Can one improve now-casts of crop prices in Africa? Google can. (ZEF Discussion Paper 271) [PDF]
• Hassan, Md. F. and L. Kornher (2019). Farm Wage and Rice Price Dynamics in Bangladesh. (ZEF Discussion Paper 273) [PDF]
• Kozicka, M., R. Weber and M. Kalkuhl (2019). Cash vs. in-kind transfers: the role of self-targeting in reforming the Indian food subsidy program. Food Security 11:915–927. [PDF]

2018

• Algieri, B. (2018). A Journey Through the History of Commodity Derivatives Markets and the Political Economy of (De)Regulation. ZEF Discussion Paper on Development Policy No. 268. Bonn. [PDF]
• Algieri, B. & A. Leccadito (2017). Wave after Wave: Contagion Risk from Commodity Markets. Journal of Commodity Markets, forthcoming. [Link]
• von Braun, J. (2018). Economic and Political Innovation for Nutritional Improvement. In: Biesalski, H. K. & Birner, R. (eds.): Hidden Hunger: Strategies to Improve Nutrition Quality, World Review of Nutrition and Dietetics, Vol. 118. Basel; New York: Karger. 1-9. 
• Brockhaus, J., M.G. Haile, & J. von Braun (2018). Short-Term Risks for Food and Nutrition Security – Causes, Impacts, and Responses. In: Josling, T. (eds.): Handbook of international food and agricultural policies. New Jersey: World Scientific Publishing. 157-198.
• Islam, A.H.M.S, J. von Braun, A.L. Thorne-Lyman and A.U. Ahmed (2018). Farm diversification and food and nutrition security in Bangladesh: empirical evidence from nationally representative household panel data, Food Security, 10(3), pp. 701–710. [PDF]
• Ludwig, T. (2018). An egg for an egg and a bean for a bean? ZEF Discussion Paper on Development Policy No. 247. Bonn. [PDF]
• Kornher, L. (2018). Maize markets in Eastern and Southern Africa (ESA) in the context of climate change. Background paper for The State of Agricultural Commodity Markets (SOCO) 2018, Rome. [PDF]
• Shittu, A.M., Akerele, D. and M. Haile. (2018). Effects of Food Price Spikes on Household Welfare in Nigeria. ZEF Discussion Paper on Development Policy No. 247. Bonn. [PDF]
• Wossen, T., T. Berger, M. G. Haile & C. Troost (2018). Impacts of climate variability and food price volatility on household income and food security of farm households in East and West Africa. Agricultural Systems, 163, pp. 7-15. [PDF]

2017

• Algieri, B. & M. Kalkuhl and N. Koch (2017). A Tale of Two Tails: Explaining Extreme Events in Financialized Agricultural Markets, Food Policy, 69, pp. 256-269. [PDF]
• Algieri, B. & A. Leccadito (2017). Wave after Wave: Contagion Risk from Commodity Markets. ZEF Discussion Paper on Development Policy No. 237. Bonn. [PDF]
• Almanzar, M. & M. Torrero (2017). Media Coverage and Food Commodities: Agricultural Futures Prices and Volatility Effects. ZEF Discussion Paper on Development Policy No. 246. Bonn. [PDF]
• Gebreselassie, S., M.G. Haile & M. Kalkuhl. (2017). The Wheat Sector in Ethiopia: Current Status and Key Challenges for Future Value Chain Development. ZEF Working Paper 160. Bonn. [PDF]
• Haile, M. G., T. Wossen, K. Tesfaye & J. von Braun (2017). Impact of Climate Change, Weather Extremes, and Price Risk on Global Food Supply. Economics of Disasters and Climate Change, 1(1), pp. 55–75. [PDF]
• Kozicka, M., M. Kalkuhl & J. Brockhaus (2017). Food Grain Policies in India and their Implications for Stocks and Fiscal Costs: A Dynamic Partial Equilibrium Analysis. Journal of Agricultural Economics, 68(1), pp. 98–122. [PDF]
• Saini, S., A. Gulati, S. Hussain and J. von Braun (2017). Indian food and welfare schemes: Scope for Digitization towards cash Transfers. ZEF Discussion Paper on Development Policy No. 241. Bonn. [PDF]
• Shittu, A.M., D. Akerele and M. Haile. (2017). Food Price Spikes and Volatility in Local Food Markets in Nigeria. ZEF Discussion Paper on Development Policy No. 242. Bonn. [PDF]

2016

• Algieri, B. (2016). Conditional price volatility, speculation, and excessive speculation in commodity markets: sheep or shepherd behaviour? International Review of Applied Economics, 30(2), pp. 210–237. [PDF]
• Brockhaus, J. (2016). The Role of Storage and Information in Stabilizing Food Prices and Supplies. Ph.D. Thesis. University of Bonn.
• Brockhaus, J., J. Huang, J. Hu, M. Kalkuhl, J. von Braun & G. Yang (2016). When Do Prices Matter Most? Rice, Wheat, and Corn Supply Response in China. In M. Kalkuhl, J. von Braun, & M. Torero (Eds.), Food Price Volatility and Its Implications for Food Security and Policy. Springer International Publishing.
• Haile, M. G., J. Brockhaus & M. Kalkuhl (2016). Short-term acreage forecasting and supply elasticities for staple food commodities in major producer countries. Agricultural and Food Economics, 4(1), 17.
• Haile, M. G. & M. Kalkuhl (2016). Access to Information and Price Expectation Errors of Smallholder Farmers: Theory and Empirics. In M. Kalkuhl, J. von Braun, & M. Torero (Eds.), Food Price Volatility and Its Implications for Food Security and Policy. Springer International Publishing.
• Haile, M. G., M. Kalkuhl & J. von Braun (2016). Worldwide Acreage and Yield Response to International Price Change and Volatility: A Dynamic Panel Data Analysis for Wheat, Rice, Corn, and Soybeans. American Journal of Agricultural Economics, 98(1), pp. 172–190.
• Haile, M., M. Kalkuhl, B. Algieri & S. Gebreselassié (2016). Analysis of Price Shock Transmission: Case of the Wheat-Bread Market Value Chain in Ethiopia. FOODSECURE Working paper No. 50. The Hague, Netherlands.
• Kalkuhl, M., J. von Braun & M. Torero (2016). Food Price Volatility and Its Implications for Food Security and Policy. (M. Kalkuhl, J. von Braun, & M. Torero, Eds.). Springer International Publishing. ISBN 978-3-319-28199-5, 650 pp.
• Kornher, L. & M. Kalkuhl (2016). The Costs and Benefits of Regional Cooperation on Grain Reserves: The Case of ECOWAS. In M. Kalkuhl, J. von Braun, & M. Torero (Eds.), Food Price Volatility and Its Implications for Food Security and Policy. Springer International Publishing.
• Kozicka, M. (2016). Policies for Food Security in India: An Assessment of Current Policies and Reform Options. Ph.D. Thesis. University of Bonn.
• Mujahid, I. (2016). Assessing the Role of Trade and Reserve Cooperation in the Food Price Dynamics: Indonesia in the Regional and Global Economic Architecture. Ph.D. Thesis. University of Bonn.
• Mujahid, I. & M. Kalkuhl (2016). Do Trade Agreements Increase Food Trade? The World Economy, 39(11), pp. 1812–1833.
• Mujahid, I. & L. Kornher (2016). ASEAN Food Reserve and Trade: Review and Prospect. In M. Kalkuhl, J. von Braun, & M. Torero (Eds.), Food Price Volatility and Its Implications for Food Security and Policy. Springer International Publishing.

2015

• Haile, M. G., M. Kalkuhl & M. A. Usman (2015). Market information and smallholder farmer price expectations, African Journal of Agricultural and Resource Economics 10 (4). pp. 297-31.
• Kalkuhl, M. (2015). "Spekulation mit Nahrungsmitteln, Regulierung und Selbstregulierung." in Aufderheide, D. and Dabrowski, M. (Hrsg.): Markt und Verantwortung - Wirtschaftsethische und moralökonomische Perspektiven. Volkswirtschaftliche Schriften, Band 567 [PDF]
• Kalkuhl, M., M. Haile, L. Kornher & M. Kozicka (2015). Cost-benefit framework for policy action to navigate food price spikes. FOODSECURE Working paper No. 33. The Hague, Netherlands.
• Kornher, L. (2015). Food price volatility: the role of stocks and trade. Ph.D. Thesis. University of Bonn, Bonn. [PDF]
• Kozicka, M., M. Kalkuhl, S. Saini & J. Brockhaus (2015). Modelling Indian Wheat and Rice Sector Policies. ZEF - Discussion Papers on Development Policy No. 197. Bonn. [PDF]
• Matz, J. A., M. Kalkuhl & G. A. Abegaz (2015). The short-term impact of price shocks on food security-Evidence from urban and rural Ethiopia. Food Security, 7(3), pp. 657–679. [PDF]

2014

• Algieri, B. (2014). The influence of biofuels, economic and financial factors on daily returns of commodity futures prices. Energy Policy, 69, pp. 227–247.  [Article]
• Algieri, B. & M. Kalkuhl (2014). Back to the Futures: An Assessment of Commodity Market Efficiency and Forecast Error Drivers. ZEF - Discussion Papers on Development Policy No. 195. [PDF]
• Haile, M. G., M. Kalkuhl & J. von Braun (2014). Inter- and intra-seasonal crop acreage response to international food prices and implications of volatility. Agricultural Economics, 45(6), pp. 693–710.[Article]
• Kalkuhl, M. (2014). How Strong Do Global Commodity Prices Influence Domestic Food Prices in Developing Countries? A Global Price Transmission and Vulnerability Mapping Analysis. ZEF - Discussion Papers on Development Policy No. 191. [PDF]
• Matz, J. A., M. Kalkuhl & G. A. Abegaz (2014). The Short-term Impact of Price Shocks on Food Security – Evidence from Urban and Rural Ethiopia. Conference paper for the International Economics Association World Congress, Jordan, June 6-10, 2014
• Mujahid, I. & M. Kalkuhl (2014). A Typology of Indicators on Production Potential, Efficiency and FNS Risk. FOODSECURE Technical paper No. 4. The Hague, Netherlands. [PDF]
• Saini, S. & M. Kozicka (2014). Evolution and Critique of Buffer Stocking Policy of India. ICRIER Working Paper No. 283. [PDF]
• Tadesse, G., B. Algieri, M. Kalkuhl & J. von Braun (2014). Drivers and triggers of international food price spikes and volatility. Food Policy, 47, pp. 117–128. [Article]
• von Braun, J., B. Algieri & M. Kalkuhl (2014). World food system disruptions in the early 2000s: causes, impacts and cures. World Food Policy, 1(1).  [Article]

2013

• Algieri, B. (2013). A Roller Coaster Ride: an empirical investigation of the main drivers of wheat price. ZEF - Discussion Papers on Development Policy No. 176.  [PDF]
• Almánzar, M., M. Torero & K. von Grebmer (2013). Futures Commodities Prices and Media Coverage. ZEF - Discussion Papers on Development Policy No. 178. Bonn. [PDF]
• Food Security Task Force (2013). Innovative financing for agriculture, food security and nutrition. Report of the high-level expert Committee to the Leading Group. [website] [PDF]
• Haile, M. G. & M. Kalkuhl (2013). Agricultural supply response to international food prices and price volatility: a crosscountry panel analysis. Agricultural and Applied Economics Association (AAEA) - 2013 Annual Meeting, August 4-6, 2013. Washington, D.C. [PDF]
• Haile, M. G., M. Kalkuhl & J. von Braun (2013). Short-term global crop acreage response to international food prices and implications of volatility. ZEF - Discussion Papers on Development Policy No. 175. Bonn. [PDF]
• Kalkuhl, M., L. Kornher, M. Kozicka, P. Boulanger & M. Torero (2013). Conceptual framework on price volatility and its impact on food and nutrition security in the short term. FOODSECURE Working Paper No. 15. The Hague, Netherlands. [PDF]
• Kornher, L. & M. Kalkuhl (2013). Food price volatility in developing countries and its determinants. Quarterly Journal of International Agriculture, 52(4), 32. [PDF]

2012

• Algieri, B. (2012). Price Volatility, Speculation and Excessive Speculation in Commodity Markets: sheep or shepherd behaviour? ZEF - Discussion Papers on Development Policy No. 166. Bonn. [PDF]
• Hiemenz, U. (2012). The Politics of the Fight Against Food Price Volatility - Where do we stand and where are we heading? ZEF Working Paper No. 92. Bonn. [PDF]
• von Braun, J. & G. Tadesse. (2012). Global Food Price Volatility and Spikes: An Overview of Costs, Causes, and Solutions. ZEF - Discussion Papers on Development Policy No. 161. Bonn. [PDF]