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Contributions to scientific conferences

2013

Heinen, S., Hartmann, M. (2013): Social Responsibility in the German Pork Industry: Relevance and Determinants, selected paper presented at the 7th International European Forum on System Dynamics and Innovation in Food Networks, February 18-22, 2013, Innsbruck-Igls, Austria.

2012

Klink, J., Langen, N., Hartmann, M. (2012): Intended purchase decisions of Cause-related Marketing products –An application of the Theory of Reasoned Action, selected paper presented at the Corporate Responsibility Research Conference (CRRC) ‘Beyond the limits – below potential’, September 12-14, 2012, Bordeaux, France..

Langen, N. (2012): Who gets the premium? Evidence from the German coffee market and consumers’ expectations, selected paper presented at the Fair Trade International Symposium 2012, Liverpool, UK.

Langen, N., Hartmann, M. (2012): Chocolate Brands’ Communication of Corporate Social Responsibility in Germany, selected paper presented at the 6th International European Forum on System Dynamics and Innovation in Food Networks, February 13-17, 2012, Innsbruck-Igls, Austria.

Langen, N., Hartmann, M. (2012): Chocolate Brands’ Communication of Corporate Social Responsibility in Germany, selected paper presented at the First Conference on Economics and Politics of Chocolate, September 17-19, 2012, Leuven, Belgium.

Langen, N., Sahinol, M. (2012): Politics of Numbers? Food losses and food waste – the German discussion, Poster presented at the NTA5 – 5. Tagung des Netzwerks TA und Jubiläumsfeier 20 Jahre TA-Swiss: Vordenken – mitdenken – nachdenken. Technikfolgenabschätzung im Dienst einer pluralistischen Politik, October 29-31, 2012, Bern, Switzerland.

Maschkowski, G. (2012): Innovation for Sustainable Development - Insights for Societal Change from Transition Town Movement, invited paper presented at the Workshop on International Conference on Indicators and Concepts of Innovation – ICICI, November 22-23, 2012 Zeppelin University, Friedrichshafen.

Maschkowski, G. (2012): Listening to parents' problems. Online-Content Analysis of parents´ questions about children nutrition., invited paper presented at the 1st International Forum on Health Promotion Research August 06-09, 2012, Trondheim, Norway.

Maschkowski, G., Hoffmann, J., Hartmann, M. (2012): Supporting a healthy diet? On-Pack promotion and nutritional information of Ready-to-Eat Breakfast Cereals Marketed to Children – a Product Packaging Analysis, selected paper presented at the AAEA Symposia. Food Environment: The Effects of Context on Food Choice, May 30–31, 2012, Tufts University, Boston, MA.

Maschkowski, G., Hoffmann, J., Hartmann, M. (2012): Supporting a healthy diet? On-Pack promotion and nutritional information of Ready-to-Eat Breakfast Cereals Marketed to Children - a Product Packaging Analysis, invited paper presented at the AAEA Symposia. Food Environment: The Effects of Context on Food Choice, May 30–31, 2012, Tufts University, Boston, MA.

Maschkowski, G., Lange, N. (2012): Movements: Transition Town and Community Supported Agriculture (CSA)- Example from social movement's engaged in changing their cities, invited paper presented at the Workshop on German Watch Conference "NGO Strategy Dialogue on Energy and Climate, Agriculture and Food Security towards the Great Transformation" November 1-2, 2012, Bonn.

Saverimuthu, D., Langen, N. (2012): What role does information play to consumers in a Cause-related Marketing campaign?, selected paper presented at the Corporate Responsibility Research Conference (CRRC) ‘Beyond the limits – below potential’, September 12th-14th, 2012, Bordeaux, France.

Simons, J. (2012): CSR in the meat industry: Do good, but should you talk about it?, selected paper presented at the 5th International Conference on Corporate Social Responsibility - The Future of CSR, Berlin, 6. Oktober 2012.

Sommer, F., Heinen, S., Hartmann, M., Gesmann-Nuissl, D. (2012): Gesellschaftliche Verantwortung in der betrieblichen Organisation. Wie nachhaltig sind etablierte Managementsysteme?, selected paper presented at the Herbsttagung der Kommission Nachhaltigkeitsmanagement des Verbandes der Hochschullehrer für Betriebswirtschaft, 24. – 25.09.2012, Hamburg.

Wingensiefen, S., Maschkowski, G., Hartmann, M. (2012): European School Fruit Scheme in North Rhine-Westphalia (Germany) – Does it work?, Poster presented at the AAEA Symposium: Food Environment: The Effects of Context on Food Choice, 30. - 31. Mai, Tufts University, Boston, MA.

Wingensiefen, S., Maschkowski, G., Hartmann, M. (2012): Nutrition education within the scope of the EU School Fruit Scheme in North-Rhine Westphalia (NRW; Germany) – implementation & effect, selected paper presented at the 1. Internationalen Forum für Health Promotion Research, 06. - 09. August, 2012, Sør-Trøndelag University College, Trondheim, Norway.

2011

Colson, G., Grebitus, C. (2011): Parents’ Preferences for Health Labels on Foods for Children, selected paper presented at the XIII. EAAE congress, 08/30-09/02, 2011 Zurich, Switzerland.

Grebitus, C., Colson, G., Menapace, L. (2011): Analyzing Pork Purchases at the Point of Sale – the Role of Consumer Involvement, selected paper presented at the AAEA congress, July 25 - 27, 2011, Pittsburgh, USA.

Grebitus, C., Jensen, H., Roosen, J. (2011): Trust towards food packaging: Natural versus chemical reactions, selected paper presented at the AAEA congress, July 25 - 27, Pittsburgh, USA.

Grebitus, C., Lusk, J., Nayga, R. (2011): Choosing local food – How important is the environmental aspect? Influences of involvement and eco consciousness, selected paper presented at the AAEA congress, July 25 - 27, 2011, Pittsburgh, USA.

Grebitus, C., Lusk, J., Nayga, R. (2011): The value of local food – A matter of personality, selected paper presented at the Consumer and Market Demand (CMD) Network workshop, August 15 - 16, Guelph, Canada.

Grebitus, C., Reynolds, N., Hartmann, M. (2011): Effect of gender, nationality and attitudes on weight reduction strategies, selected paper presented at the XIII. EAAE congress, August 30 - September 02, 2011, Zurich, Switzerland.

Grebitus, C., Steiner, B., Veemann, M. (2011): Consumer Attitudes towards Environmental Footprints – Evidence from Canada, selected paper presented at the AAEA congress, July 25 - 27, 2011, Pittsburgh, USA.

Grebitus, C., Steiner, B., Veemann, M. (2011): Do Canadian consumers with different types of general and institutional trust have different desires for environmental labeling?, selected paper presented at the XIII. European Association of Agricultural Economists (EAAE) congress, August 30 - September 02, 2011, Zurich, Switzerland.

Gschwandtner, A., Hirsch, S. (2011): Profit Persistence in the Food Industry: Evidence from five European Countries, selected paper presented at the 13th EAAE Conference, August 30th-September 2nd 2011, Zurich, Switzerland.

Gschwandtner, A., Hirsch, S. (2011): Profit Persistence in the Food Industry: Evidence from five European Countries, selected paper presented at the 13th EAAE Conference, August 30 - September 2, 2011, Zurich Switzerland.

Höllmer, J. P., Grebitus, C. (2011): Sustainability labels from consumer perspective, selected paper presented at the 5th ICSCR Conference, Consumer 2011 ’Consumer behaviour for a sustainable future’, July 18 - 20, 2011, Bonn, Germany.

Hoffmann, J. (2011): Geography matters. Fruit and vegetable networks in different German regions, selected paper presented at the 7th UK Social Networks Conference, July 7-9, 2011, London, UK.

Hoffmann, J., Simons, J. (2011): Inter-organizational networks in the German fruit and vegetable sector – Evidence from clustered and non-clustered regions, selected paper presented at the Paper presented at the European Association of Agricultural Economists PhD Workshop, April 27-29, 2011, Nitra, Slovakia.

Klöckner, H. (2011): Can COO labeling be a means of pepper differentiation: Quality expectation and taste experience, selected paper presented at the EAAE Congress 2011 “Change and Uncertainty”, August 30 - September 2, 2011, Zürich, Schweiz.

Langen, N. (2011): Cause-related Marketing: A Tool to Arrive at Sustainability?, selected paper presented at the AAEA, Pittsburgh, USA.

Langen, N. (2011): Produkte mit Zusatznutzen für Konsumenten und was die Landwirtschaft daraus lernen kann - am Beispiel Bio, Fair Trade und Cause-related Marketing, selected paper presented at the SGA Tagung ‚Das Bild der Landwirtschaft im XXI Jahrhundert’, March 31 to April 1, 2011, Murten, Switzerland.

Langen, N. (2011): Stated versus revealed preferences for ethical consumption - Insights from organic yoghurt shoppers, selected paper presented at the Sustainable Consumption Conference 2011, "Sustainable Consumption - Towards Action and Impact", November, 6-8, 2011, Hamburg, Germany.

Langen, N., Hartmann, M. (2011): New forms of consumer power – Implications from the first Cologne Carrotmob, selected paper presented at the 5th International European Forum on System Dynamics and Innovation in Food Networks, February 14-18, 2011, Innsbruck-Igls, Austria.

Langen, N., Saverimuthu, D. (2011): Cause-related Marketing – Greenwashing der Unternehmen oder eine Möglichkeit für Konsumenten schnell und einfach Gutes zu tun?, selected paper presented at the Herbsttagung der Kommission Nachhaltigkeitsmanagement des Verb. der Hochschullehrer für Betriebswirtschaft in Koop. mit der Kommission Wissenschaftstheorie und Ethik in der Wirtschaftswissenschaft, Oktober 6-7, 2011, Berlin, Gemany.

Langen, N., Saverimuthu, D. (2011): Organic consumers’ favoured attributes of yoghurt – Me or the others?, selected paper presented at the 5. ICSCR Conference, Consumer 2011 ’Consumer behaviour for a sustainable future’, July 18-20, 2011, Bonn, Germany.

Saverimuthu, D., Langen, N. (2011): Anforderungen an eine Cause-related Marketing Auszeichnung auf dem Produkt, selected paper presented at the Herbsttagung der Kommission Nachhaltigkeitsmanagement des Verb. der Hochschullehrer für Betriebswirtschaft in Koop. mit der Kommission Wissenschaftstheorie und Ethik in der Wirtschaftswissenschaft, Okt. 2011, Berlin.

Saverimuthu, D., Langen, N., Hartmann, M. (2011): Arriving at social and environmental sustainability: The role of information shaping consumers' attitudes towards Cause-related Marketing, selected paper presented at the 5. ICSCR Conference, Consumer 2011 'Consumer behaviour for a sustainable future', July 18-20, 2011, Bonn, Germany.

2010

Grebitus, C., Maschkowski, G., Simons, J. (2010): Parental influence regarding fruit and veggie consumption of children, selected paper presented at the AAEA, CAES & WAEA Joint Annual Meeting 25.-27. July 2010 in Denver, Colorado, USA.

Hoffmann, J. (2010): Identification of spatial agglomerations in the German food processing industry, selected paper presented at the EAAE-SYAL Seminar 2010 'Spatial dynamics in agri-food systems', October 27-30, 2010, Parma, Italy.

Kloeckner, H., Langen, N., Hartmann, M. (2010): The Role of Taste Perception for the Success of Country of Origin Labelling in the Case of Organic Pepper, selected paper presented at the Joint Annual Meeting of the AAEA, CAES, & WAEA 2010, July 25-27, 2010, Denver, USA.

Langen, N. (2010): Die Bedeutung ethischer Aspekte bei Kaufentscheidungen – Eine empirische Analyse am Beispiel Kaffee, Poster presented at the NTA4, ’Der Systemblick auf Innovation – Technikfolgenabschätzung in der Technikgestaltung’, November 24-26, 2010, Berlin, Germany.

Langen, N., Grebitus, C., Hartmann, M. (2010): Consumers' willingness to pay for coffee differentiation: A comparison of Fair Trade, organic, and cause-related marketing coffees - and a mix thereof, selected paper presented at the Joint Annual meeting of the AAEA, CAES & WAEA 2010, July 25-27, 2010, Denver, USA.

Langen, N., Grebitus, C., Hartmann, M. (2010): Is Cause-related Marketing greenwashing?, selected paper presented at the 11.th Biennial ISEE Conference ‘Advancing sustainability in a time of crisis’, August 22-25, 2010, Oldenburg and Bremen, Germany.

Langen, N., Grebitus, C., Hartmann, M. (2010): Is there need for more transparency and efficieny in Cause-related Marketing?, selected 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., Roidl, V., Hartmann, M. (2010): How important are Fair Trade, organic production and Cause-related Marketing for the product choice - the use of the Information Display Matrix to uncover the in-formation search process, selected paper presented at the 11.th Biennial ISEE Conference ‘Advancing sustainability in a time of crisis’, August 22-25, 2010, Oldenburg and Bremen, Germany.

Langen, N., Saverimuthu, D., Grebitus, C., Hartmann, M. (2010): Acceptance and critical success factors of Cause-related Marketing in Germany – evidence from a consumer survey, selected paper presented at the Corporate Responsibility Research Conference 2010 ‘Sustainability Management in a Diverse World’, September 15-17, 2010, Marseille, France.

Maschkowski, G., Hartmann, M., Grebitus, C. (2010): Analyzing Parental Influence on Fruit and Vegetable Consumption, selected paper presented at the First Joint EAAE/ AAEA Seminar “The Economics of Food, Food Choice and Health” (115th EAAE Seminar), Freising (Germany) September 15th – 17th, 2010.

2009

Grebitus, C., Hartmann, M., Langen, N. (2009): The ethical consumer's willingness to pay for coffee: A comparison of donations, Fair Trade, organic, and cause-related marketing coffees , selected paper presented at the II Workshop on Valution Methods in Agro-food and Environmental Economics "Experimental Auctions: Theoretical background and empirical applications", July 2-3, 2009, Barcelona, Spain.

Langen, N. (2009): Ethical coffee consumers' willingness to pay: A comparison of Fair Trade, organic, and cause-related marketing coffees, selected paper presented at the EAAE PhD workshop 2009, Economics and Social Science Research in Food, Agriculture, Environment and Development, September 10-11,2009, Gießen, Germany.

Langen, N., Grebitus, C., Hartmann, M. (2009): Do German consumers diffentiate between Fair Trade certification and charitable giving, selected paper presented at the Tropentag 2009, International Conference on 'Biophysical and Socio-economic Frame Conditions for Sustainable Management of Natural Resources', October 6-8,2009, Hamburg, Germany.

Langen, N., Grebitus, C., Hartmann, M. (2009): Fair Trade and donations: Two possibilities to contribute to poverty alleviation in daily purchase decisions, selected paper presented at the CCN sixth annual conference, March 23-24, 2009, Berlin, Germany.

2008

Drescher, L., Grebitus, C., Herzfeld, T. (2008): Spread of retailer food quality standards: A transition counties perspective, selected paper presented at the IAMO Forum 2008, 06/25-06/27/2008, Halle, Germany.

Fischer, C., Gil-Alana, L. A. (2008): International traveling and trade: further evidence for the case of Spanish wine based on fractional VAR specifications., in: Canavari, M., Regazzi, D., Spadoni, R. (eds.), “Marketing and International Trade of Quality Food Products”, Proceedings CD-ROM of the 105th Seminar of the European Association of Agricultural Economists.

Grebitus, C., Jensen, H., Sebranek, J., Anders, S., Roosen, J. (2008): Applying non-hypothetical choice experiments to uncover consumers' purchase decisions for ground beef with different packaging technologies., selected paper presented at the Valuation Methods in Agro-food and Environmental Economics: "State-of-the art and future challenges in Stated Choice Experiments", 06/22-06/25/2008, Gainesville, Florida, USA.

Grebitus, C., Jensen, H., Sebranek, J., Anders, S., Roosen, J. (2008): Consumer Response to Modified Atmosphere Packaging with Carbon Monoxide, Poster presented at the Reciprocal Meat Conference, 06/22-06/25/2008, Gainesville, Florida, USA.

Grebitus, C., Jensen, H., Sebranek, J., Anders, S., Roosen, J. (2008): Experimental Determination of Consumers' Willingness-to-pay for Modified Atmosphere Packaging of Ground Beef., Poster presented at the Annual meeting of the American Agricultural Economics Association, 07/26-07/29/2008, Orlando, Florida, USA.

Hartmann, M., Lensch, A. K., Simons, J. (2008): Beeinflussung der Wirkung von Ernährungsinformation durch Framing: Analyse am Beispiel von Folsäure., in: Präsentation auf der Jahrestagung der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues und Publikation im Tagungsband Berg, E. et al: Risiken in der Agrar- und Ernährungswirtschaft und deren Bewältigung Download....

Herzfeld, T., Drescher, L., Grebitus, C. (2008): Spread of retailer food quality standards: An international perspective, Poster presented at the Annual meeting of the American Agricultural Economics Association, 07/26-07/29/2008, Orlando, Florida, USA.

Langen, N. (2008): Fairer Handel und Spenden aus Konsumentensicht, Poster presented at the TA'08 NTA3: Technology Governance: Der Beitrag der Technikfolgenabschätzung, May 28-30, 2008, Vienna, Austria.

Menapace, L., Colson, G., Grebitus, C., Facendola, M. (2008): Consumer preferences for extra virgin olive oil with country-of-origin and geographical indication labels in Canada, selected paper presented at the Annual Meeting, July 27-29, 2008, Orlando, Florida, USA , Link....

Reynolds, N., Fischer, C., Hartmann, M. (2008): Determinants of sustainable economic relationships in German agri-food chains, selected paper presented at the 2nd international European Forum on System Dynamics and Innovation in Food Networks, Austria, Innsbruck-IGLS, 18-22 February.

2007

Banik, I., Klein, D., Köpke, U., Simons, J. (2007): Entwicklung regionaler Vermarktungsstrategien gefährdeter Tomatensorten in NRW, Deutschland., in: Zikeli, S.; Claupein, W.; Dabbert, S.; Kaufmann, B.; Müller, TZ. und Zárate, A. (Hrsg.): Beiträge zur 9. Wissenschaftstagung Ökologischer Landbau, Zwischen Tradition und Globalisierung, Band 2, Universität Hohenheim 20.-23. März 2007.

Banik, I., Simons, J. (2007): Regionalvermarktung und Bio-Produkte: Spannungsverhältnis oder sinnvolle Ergänzung, Beiträge zur 9. Wissenschaftstagung Ökologischer Landbau, in: Zikeli, S. ; Claupein, W.; Dabbert, S.; Kaufmann, B.; Müller, T. und Valle Zárate, A. (Hrsg.): Zwischen Tradition und Globalisierung, Beiträge zur 9. Wissenschaftstagung Ökologischer Landbau, Band 2, Universität Hohenheim, 20.-23. März 2007. 2.

Fischer, C. (2007): Food quality and product export performance – An empirical investigation of the EU situation., invited paper.

Fischer, C., Gonzales, M., Henchion, M., Leat, P. (2007): Trust and Economic Relationships in Selected European Agri-Food Chains., in: 99th European Seminar of the EAAE 'Trust and Risk in Business Networks'..

Grebitus, C., Menapace, L., Bruhn, M. (2007): Origin as a quality cue in pork purchase decisions - A binomial logit., Poster presented at the Annual meetin of the American Agricultural Economics Association, 07/28/08/01/2007, Portland, Oregon, Usa. Travel stipend by German Research Foundation.

Grebitus, C., Yue, C., Bruhn, M., Jensen, H. (2007): Milk-Marketing: Impact of perceived quality on consumption patterns - An ordered logit model., selected paper presented at the 105th seminar of the European Association of Agricultural Economists, 03/07-03/10/2007, Bologna, Italy..

Grebitus, C., Yue, C., Bruhn, M., Jensen, H. (2007): What Affects Consumption Patterns of Organic and Conventional Products?, selected paper presented at the 2007 Annual Meeting, July 29-August 1, 2007, Portland, Oregon , Link....

Grebitus, C., Yue, C., Bruhn, M., Jensen, H. (2007): What affects consumption patterns of organic and conventional products?, Poster presented at the Annual meeting of the American Agricultural Economics Association, 07/28-08/01/2007, Portland, Oregon, USA. Travel stipend by German Research Foundation..

Rudloff, B., Hartmann, M., Heckelei, T. (2007): Food Regulation and Trade: Institutional Framework, Concepts of Analysis and Empirical Evidence, selected paper presented at the Summer Symposium of the International Agricultural Trade Research Consortium (IATRC) in Bonn. May 28-30, 2006, Journal of International Agricultural Trade and Development 4(1).

Simons, J., Banik, I. (2007): Chancen regionalen Handels am Beispiel "Regionale Vermarktung", invited paper presented at the Landwirtschaft 2015 – Politische Rahmenbedingungen und ihre Auswirkungen –, Schriftenreihe des Lehr- und Forschungsschwerpunkts: 23-34 , Link....

2006

Bruhn, M., Grebitus, C. (2006): Wahrnehmung und Nutzung von Qualitätsindikatoren bei Schweinefleisch, selected paper presented at the 56th Hochschultagung CAU Kiel, Faculty of Agricultural and Nutritional Sciences, 02/03/2005, Kiel, Germany.

Fischer, C., Schornberg, S. (2006): An index-based approach for assessing agribusiness competitiveness at the sector level: the case of the EU food and drink manufacturing industries., in: Contributed paper presented at the 98th European Seminar of the EAAE 'Marketing Dynamics within the Global Trading System: New Perspectives'..

Fischer, C., Schornberg, S. (2006): Assessing the competitiveness situation of EU food and drink manufacturing industries: an index-based approach., in: Contributed paper presented at the AIAE2 International Meeting 'Competitiveness in Agriculture and in the Food Industry: US and EU perspectives'..

Fischer, C., Schornberg, S. (2006): Explaining the competitiveness of EU food and drink manufacturing industries: a GLM approach., in: Contributed paper presented at the AIAE2 International Meeting 'Competitiveness in Agriculture and in the Food Industry: US and EU perspectives'..

Grebitus, C. (2006): Concept mapping in consumer behavior research, selected paper presented at the CARD-Workshop, Iowa State University, 04/20/2006, Ames, Iowa, USA.

Grebitus, C., Bruhn, M. (2006): Wahrnehmung und Bewertung der Qualität von Schweinefleisch und Kartoffeln, selected paper presented at the Conference book of the 16th annual meeting of the Austrian Association of Agricultural Economists, 09/28-09/29/2006, Vienna, Austria: 53-54.

Grebitus, C., Bruhn, M. (2006): What comes into your mind if you think of Food Quality? Concept mapping in consumer behavior research., selected paper presented at the Sunbelt XXVI-International Sunbelt Social Network Conference, 04/24-04/30/2006, Vancouver, BC, Canada. Travel stipend by H. Wilhelm Schaumann Foundation..

Rudloff, B., Simons, J. (2006): Considering consumers' food safety perceptions at the WTO -level: a survey-based analysis., selected paper presented at the IATRC Summer Symposium "Food Regulation and Trade: Institutional Framework, Concepts of Analysis and Empirical Evidence, Bonn (Germany), May 28-30, 2006.

2005

Beukert, C., Simons, J. (2005): "Opportunities for shaping the market for organic products - the case of Germany.", selected paper presented at the 15th IFOAM World Congress "Shaping Sustainable Systems", September 21-23, 2005, Adelaide, Australia.

Bruhn, M., Grebitus, C. (2005): Einfluss aktueller Informationen auf das Entscheidungsverhalten von Kunden beim Kauf von Schweinefleisch, Poster presented at the GEWISOLA, 10/05-10/07/2005, Goettingen, Germany.

Bruhn, M., Grebitus, C. (2005): Food quality from a consumer's perspective, selected paper presented at the 92nd Seminar of European Association of Agricultural Economists, 03/02-03/04/2005, Goettingen, Germany.

Bruhn, M., Grebitus, C. (2005): Untersuchung von Kaufentscheidungen mittels Netzwerkanalyse, Poster presented at the 55th Hochschultagung CAU Kiel, Faculty of Agricultural and Nutritional Sciences Sciences, 02/11/2005, Kiel, Germany.

Fischer, C. (2005): A theoretical model explaining modern food consumption and implications for international food product marketers., in: 97th EAAE Seminar, 'The Economics and Policy of Diet and Health'..

Fischer, C. (2005): A theoretical model explaining the influence of immigration and international tourism on the import demand for consumer goods., in: 1st International Conference on Theoretical Advances in Tourism Economics..

Fischer, C. (2005): Gérer le commerce international de produits alimentaires - un sondage auprès d'entreprises allemandes et australiennes. Actes des journées européennes des thèses à Montpellier., in: (Tagungsband des 'European Doctoral Meeting', organisiert von der 'Société Francaise d'Economie Rurale' (SFER) und der 'Association Internationale d'Economie Alimentaire et Agro-industrielle' (AIEA2).

Grebitus, C. (2005): Wahrnehmung von Qualität und Trends im Nachfrageverhalten, selected paper presented at the Frühjahrstagung der Bäuerlichen Gesellschaft Nordwestdeutschland, 04/08/2005, Bremen, Germany.

Grebitus, C., Bruhn, M. (2005): Consumer's decision-making concerning food quality, selected paper presented at the European PhD-Day of the European Association of Agricultural Economists, 09/21-09/23/2005, Wageningen, The Netherlands.

Grebitus, C., Bruhn, M. (2005): Food qualtiy from a consumer's point of view2: Applying network analysis, selected paper presented at the International conference "In the Name of Quality. What kind of Quality for kind of demand(s)?" of the Société Francaise d'Economie Rurale (SFER), 10/05-10/06/2005, Clermont-Ferrand, France. Travel stipend by H. Wilhelm Schaumann Foundation..

Hartmann, M., Lensch, A. K., Simons, J., Thrams, S. (2005): Nutrition and Health Claims - Information or Deception?, selected paper presented at the 97th Seminar of the European Association of Agricultural Economists "The Economics and Policy of Diet and Health" - Determinants of diet choices.

Lensch, A. K. (2005): Dietary Information by experts and its impact on consumers’ behaviour., in: Contributed paper presented at the 97th Seminar of the European Association of Agricultural Economists "The Economics and Policy of Diet and Health" - Determinants of diet choices..

2004

Bruhn, M., Grebitus, C., Huemmelink, A. (2004): Die Bedeutung kognitiver Strukturen im Rahmen des Qualitätsurteils der Verbraucher - am Beispiel von Schweinefleisch., selected paper presented at the GEWISOLA, 09/27-09/29/2004, Berlin, Germany.

Fischer, C. (2004): The influence of immigration and international tourism on the demand for imported food products., in: Präsentation auf der AIEA2 International Conference. Quebec, Kanada. 23.-24. August 2004..

Fischer, C., Hartmann, M. (2004): The measurement of competitiveness - With an application to the global food processing sector., in: Präsentation auf der AIEA2 International Conference. Quebec, Kanada. 23.-24. August 2004..

Grebitus, C. (2004): Analyse kognitiver Strukturen mittels Concept Mapping bezüglich des Qualitätsurteils der Verbraucher am Beispiel von Schweinefleisch, selected paper presented at the 4th Quality and Safety-Workshop: Produktqualität und Informationsmanagement bei Lebensmitteln, 06/23/2004, Kiel, Germany.

Grebitus, C. (2004): Anwendung der Netzwerkanalyse zur Untersuchung von Kaufentscheidungen mittels Netzwerkanalyse zur Untersuchung von Kaufentscheidungen., Poster presented at the "Net's work" congress, 11/12-11/13/2004, Bad Salzuflen, Germany.

Grebitus, C., Bruhn, M., Huemmelink, A., Warncke, J. (2004): Perceived food quality in Germany. Empirical results 1994-2004, Poster presented at the The Food 21 Symposium - Towards Sustainable Production and Consumption, 04/26-04/28/2004, Uppsala, Sweden.

Warncke, J., Bruhn, M., Grebitus, C. (2004): Determinants of the organic food demand in Germany - Longitudinal Analysis, selected paper presented at the The Food 21 Symposium - Towards Sustainable Production and Consumption. Extended Abstracts. Rapport MAT 21 Nr. 2/2004, S. 203-204.

2003

Grebitus, C. (2003): Der Verbraucher das unbekannte Wesen - Chancen für Dirketvermarkter, selected paper presented at the Direktvermarktertag der Landwirtschaftskammer Schleswig-Holstein, 10/27/2003, DEULA Rends.

2002

Frohberg, K., Hartmann, M., Weingarten, P., Winter, E. (2002): Auswirkungen der EU-Osterweiterung auf die Beitrittsländer - Analyse unter Berücksichtigung bestehender bi- und multilateraler Verpflichtungen, in: BROCKMEIER, M., ISERMEYER, F., VON CRAMON-TAUBADEL, S. (eds.): Liberalisierung des Weltagrarhandels - Strategien und Konsequenzen, Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues 37: 183-193.

Hartmann, M. (2002): Competitiveness of the dairy sector in the Candidate Countries, in: DYKOVÁ, E., MATALOVA, V. (eds.): Pre-Accession strategy of Czech Agriculture towards EU, Proceedings of the Seminar on the occasion of the 90th anniversary of VÚZE at Pruhonice.

Hartmann, M., Wandel, J. (2002): Industrial organisation of the milk processing industry in the Baltic States: Results of an expert survey., in: RABINOWICZ, E., MARTTILA, J. (eds.): Integration of the Baltic Sea Countries to the Common Agricultural Policy of the EU, Proceedings of the 66th European Seminar of the EAAE.

2000

Giebel, A. (2000): Implications of changing general market conditions in product quality and quality assurance in the German pork production, in: Virtual conference: Sustainable Animal Production Oktober bis April 2000.

1999

Hartmann, M. (1999): Die Wertschöfpung in der Agrar- und der Ernährungswirtschaft - Interdependenzen und Politikeinfluß -, in: Landwirtschaftliche Fakultät der Martin-Luther-Universität Halle-Wittenberg (ed.): Wertschöpfung in der landwirtschaftlichen Primärproduktion, Wissenschaftliche Beiträge der 7. Hochschultagung.

1998

Bergschmidt, A., Hartmann, M. (1998): Agricultural Trade Policies and Trade Relations in Transition Countries, in: OECD (ed.), Agricultural Policies in the Baltic Countries: Proceedings of the Parnu Seminar held in September 1997.

Fock, A., Frohberg, K., Hartmann, M., Wahl, O., Weingarten, P. (1998): Development of CEEC Agriculture under Three Scenarios - Current CEEC Policies, CAP 1995/96, Agenda 2000 -, in: Brockmeier, M., Francois, J. F., Hertel, T. W., Schmitz, P. M. (eds.), Economic Transition and the Greening of Agricultural Policies: Modeling New Challenges for Agriculture and Agribusiness in Europe.

Frohberg, K., Hartmann, M. (1998): Die "effektive" Protektion der Landwirtschaft in den MOEL, in: Heissenhuber, A., Hoffmann, H., von Urff, W. (eds.), Land- und Ernährungswirtschaft in einer erweiterten EU, Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e. V. 34.

Frohberg, K., Hartmann, M. (1998): Will Baltic Agriculture Survive after EU Accession?, in: v. Witzke, H., Tangermann, S. (eds.), Economic Transition in Central and East Europe and the Former Soviet Union: Implications for International Agricultural Trade.

Wolffram, R. (1998): Zukunft des Veredelungsstandortes Nordrhein-Westfalen, in: Landwirtschaftliche Fakultät der Rheinischen Friedrich-Wilhelms-Universität Bonn. Vorträge der 50. Hochschultagung.

1997

Frohberg, K., Hartmann, M. (1997): Pros and Cons of Integrating Eastern European Countries and the EU from an Economic Point of View, in: Somai, M. (eds.), Agricultural Accession of the Central and Eastern European Countries to the European Union.

Frohberg, K., Hartmann, M. (1997): Strategies for the CAP in the Pre- and Post-Accession Period, in: Agricultural Economics Research Institute (ed.), Options for National Agricultural Policies of the EU Associated Countries: Transfer of the EU Members' Experience to the Baltic Countries.

Hartmann, M. (1997): Auswertung der Tagungsergebnisse zum Thema: "Erklärung und Beeinflussung von Märkten und Preisen in der Agrar- und Ernährungswirtschaft", in: Bauer, S., Herrmann, R., Kuhlmann, F. (eds.), Märkte der Agrar- und Ernährungswirtschaft - Analyse, Einzelwirtschaftliche Strategien, staatliche Einflußnahme, Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e. V 33.

Simons, J. (1997): Zusammenfassung der Diskussion des Arbeitskreises 1: "Entwicklung des ländlichen Raums"., in: Krekeler, Trappmann (eds.): Vorträge der 49. Hochschultagung der Landwirtschaftlichen Fakultät der Universität Bonn vom 18. Februar 1997 in Bonn. Münster 1997.

1996

Hartmann, M. (1996): Die Osterweiterung der EU - Konsequenzen für die Land- und Ernährungswirtschaft der Beitrittsländer, in: Landwirtschaftliche Fakultät der Martin-Luther-Universität Halle-Wittenberg (ed.), Erzeugung und Vermarktung hochwertiger Nahrungsgüter - eine Herausforderung an die Landwirtschaft, Wissenschaftliche Beiträge der 4. Hochschultagung, Dresden.

1995

Frohberg, K., Hartmann, M., Tillack, P. (1995): Competitiveness of Czech Agriculture in the EU-Market, in: Svatos, M. (eds.), Agrarian Consequences of Entry into the EU.

Hartmann, M. (1995): Die EU-Agrarreform aus Sicht der Länder der Dritten Welt sowie Mittel- und Osteuropas, in: Grosskopf, W., Hanf, C.-H., Heidhues, F. Zeddies, J. (eds.), Die Landwirtschaft nach der EU-Agrarreform, Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e. V..

Simons, J. (1995): Möglichkeiten zur Reduzierung des Preisrisikos auf den EU-Agrarmärkten durch Warenterminhandel., in: Grosskopf, W; Hanf, C.-H.; Heidhues, F. und Zeddies J (eds.). "Die Landwirtschaft nach der EU-Agrarreform". Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e.V..

1992

Simons, J., Wolffram, R. (1992): Chancen der Veredelungswirtschaft in der agrarpolitischen Entwicklung., in: Finke, Linscheid (eds.):Vorträge der 44. Hochschultagung der Landwirtschaftlichen Fakultät der Universität Bonn vom 25. Februar 1992 in Münster..

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