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| Margarian, Anne. |
| Until now empirical analyses have not succeeded in the determination of a general upon agreed bunch of the most important driving forces of structural change in agriculture beyond the level of the national economy. It will be argued that the sometimes contradictory results of different studies are caused by the endogenous dynamics of structural change as well as by mixing up different levels of causality. The influence of single causes, therefore, is not necessarily characterised by linearity, symmetry and independence of other causes, of the location or of time. Multi-level-models are being presented as a method with the capability to cope with these problems by modelling hierarchical relations and dynamics in time simultaneously. The flexibility of the... |
| Tipo: Journal Article |
Palavras-chave: Structural change; Multi-level-model; Mixed model; Hierarchical causation; Endogenous restrictions; Community/Rural/Urban Development. |
| Ano: 2007 |
URL: http://purl.umn.edu/96764 |
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| Huettel, Silke; Margarian, Anne. |
| This paper explains regionally differentiated patterns of structural change based on a theoretical framework dealing with strategic interaction of farms on the land market. The main research question focuses on the causes of regionally persistent structures. An empirical Markov chain model is defined for the West German agricultural sector. Thereby it is possible to explain the probabilities of farm growth, decline or exit in terms of the current and former regional farm size structure. Further, the impact of variables describing the regional farm structure, thereby indicating market power of the large, the potential of high competition for land within a region and possibly high rents of the status quo in combination with sunk costs, is quantified. The... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Structural change; Strategic competition; Land market; Markov chain; Land Economics/Use. |
| Ano: 2009 |
URL: http://purl.umn.edu/52853 |
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| Just, Flemming; Emmanuel, Adinyira; Oteng-Seifah, Samuel; Theophilus, Adjei-Kumi; Theophilus, Ernst-August; Cimpoies, Dragos; Zhemoyda, Oleksandr V.; Portyanko, Mariya; Danilowska, Alina; Danilowska, Anna; Kosodiy, Roman; Mishenin, Eugeniy; Bokusheva, Raushan; Sannikova, Marina; Heidelbach, Olaf; Jia, Xiangping; Heidhues, Franz; Zeller, Manfred; Baker, Derek; Abildtrup, Jens; Hedetoft, Anders; Milczarek, Dominika; Malak-Rawlikowska, Agata; Falkowski, Jan; Barussaud, Emilien; Raymond, Richard; Poletto, Ana; Margarian, Anne; Fock, Achim; Fock, Karin; Pufahl, Andrea; Grajewski, Regina; Sholpan, Sholpan; Sannikova, Marina; Fahrmann, Barbara; Maciejczak, Mariusz; Was, Adam. |
| This volume of proceedings, available both as hard copy and pdf, is an edited compilation of selected contributions to the IAMO Forum 2007, which will be held in Halle (Saale), Germany, at the Leibniz Institute of Agricultural Development in Central and Eastern Europe from 27 to 29 June 2007. We would like to thank all those persons and organisations who contributed to the realisation of the IAMO Forum 2007 and the volume in hand. First of all, we thank all lecturers, whose commitment and papers made both the conference and the publication possible. Furthermore, we appreciate the financial support provided by the Federal Ministry of, Food, Agriculture, and Consumer Protection and the Federal State of Saxony-Anhalt. The conference would not be successful... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Agricultural and Food Policy; Agricultural Finance; Community/Rural/Urban Development; Industrial Organization; Labor and Human Capital. |
| Ano: 2007 |
URL: http://purl.umn.edu/92324 |
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| Margarian, Anne. |
| The present paper asks under what circumstances a standardisation of evaluations would be feasible in order to enable a comprehensible aggregation of results for the European administration. We argue that in the complex environment of rural development the adequate definition of system boundaries is a precondition for the successful application of empirical methods and the identification of causal effects. If macro effects and self-enforcing effects are important, the objects of inquiry have to be defined on a higher observational level. In this case, the statistical identification may not be possible because there might be hardly any comparable (“counterfactual”) observations. We conclude that evaluators need definite theoretical guidance in order to... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Evaluation; Complex systems; Causal inference; Counterfactual approach; Community/Rural/Urban Development; O22; Q18; R58; C51. |
| Ano: 2010 |
URL: http://purl.umn.edu/95320 |
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