2012
Langen, N.
2012.
Ethics in Consumer Choice – An Empirical Analysis based on the Example of Coffee.
Doctoral thesis at
Faculty of Agriculture, University of Bonn.
Springer Gabler: Wiesbaden
Further Information
2011
Langen, N..
2011.
Are ethical consumption and charitable giving substitutes or not? Insights into consumers’ coffee choice.
Food Quality and Preference,
22: 412–421.
.
Further Information
Langen, N.; Hartmann, M..
2011.
New forms of consumer power – Implications from the first Cologne Carrotmob..
Paper presented at the 5th International European Forum on System Dynamics and Innovation in Food Networks, February 14-18, 2011, Innsbruck-Igls, Austria.
2010
Langen, N; Grebitus, C; Hartmann, M..
2010.
Is there need for more transparency and efficiency in Cause-related Marketing.
Paper presented at the 4th International European Forum on System Dynamics and Innovation in Food Networks, February 8-12, 2010, Innsbruck-Igls, Austria
Langen, N..
2010.
Fairer Handel und Spenden aus Konsumentensicht.
In: Aichholzer, G. et al. (eds.):
Technology Governance: Der Beitrag der Technikfolgenabschätzung. Gesellschaft - Technik - Umwelt.
Langen, N., Grebitus, C. and M. Hartmann.
2010.
Is there need for more transparency and efficiency in cause-related Marketing?.
International Journal on Food System Dynamics,
1 (4)
.
Further Information
2009
Grebitus, C., Hartmann, M. and Langen, N..
2009.
The ethical consumer’s willingness to pay for coffee: A comparison of donations, Fair Trade, organic, and cause-related marketing coffees.
Paper presented at the II Workshop on Valuation Methods in Agro-food and Environmental Economics “Experimental Auctions: Theoretical background and empirical applications”, Barcelona, 2nd -3 rd July 2009.
Langen, N..
2009.
Ethical coffee consumers’ willingness to pay: A comparison of Fair Trade, organic, and cause-related marketing coffees.
Paper presented at the EAAE PhD workshop 2009, Economics and Social Science Research in Food, Agriculture, Environment and Development, 10.-11. September 2009, Gießen.
Langen, N., Grebitus. C. and Hartmann, M..
2009.
Fair Trade and donations: two possibilities to contribute to poverty alleviation in daily purchase decisions.
Paper presented at the CCN sixth annual conference, 23-24 march 2009
Langen, N.; Grebitus, C.; Hartmann, M..
2009.
Fair Trade and Donations: two possibilities to contribute to poverty alleviation in daily purchase decisions – Do consumers care?.
In: Klein, A. and Thoresen, V. (eds.) (eds.):
Making a Difference: Putting Consumer Citizenship into Action, Consumer Citizenship: Promoting New Responses.
Vol. 5.
60-73.
Nina Langen, Carola Grebitus, Monika Hartmann.
2009.
Do German consumers differentiate between Fair Trade certification and charitable giving.
Presented at the Tropentag 2009, International Conference on 'Biophysical and Socio-economic Frame Conditions for the Sustainable Management of Natural Resources', Hamburg, Germany, October 6-8, 2009.
