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Sustainability 2017, 9(11), 2111; doi:10.3390/su9112111

Constraining Factors in Hungarian Carp Farming: An Econometric Perspective

1
National Agricultural Research and Innovation Centre, Research Institute for Fisheries and Aquaculture, 5540 Szarvas, Hungary
2
Institute of Applied Informatics and Logistics, Faculty of Economics and Business, University of Debrecen, 4032 Debrecen, Hungary
3
Research Institute for Agricultural Economics, 1093 Budapest, Hungary
4
Institute of Sectoral Economics and Methodology, Faculty of Economics and Business, University of Debrecen, 4032 Debrecen, Hungary
*
Author to whom correspondence should be addressed.
Received: 16 October 2017 / Revised: 13 November 2017 / Accepted: 15 November 2017 / Published: 17 November 2017
(This article belongs to the Section Sustainable Use of the Environment and Resources)
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Abstract

Although carp farming had a key role in the Blue Revolution at a global level, European carp aquaculture has stagnated over the past 25 years without achieving any productivity gains. The objective of this study was to identify the factors and mechanisms constraining production and productivity growth in pond-based carp farming in Hungary, as the country is a good representative of the EU pond-based farming sector. By using data from 44 carp farms, different specifications of the Cobb-Douglas production function were parameterized to investigate the determinants of yields and to assess the extent of economies of scale. Descriptive statistics show that large differences exist in productivity between individual farms, meaning that it is hard to implement technical standards and to ensure repeatability in extensive carp farming technology. Econometric analysis demonstrates that economies of scale do not prevail in pond-based farming in Hungary, so a concentration of farms would not stimulate a growth in carp farming. This may explain the stagnation of carp aquaculture, as the only European aquaculture segments which can grow are those that can exploit economies of scale. Further analysis demonstrates that labour is an important factor of production, and a decreasing workforce may constrain the intensification process of production. On the other hand, mechanisation did not prove to be a significant contributing factor to yields, indicating that large investment in equipment has a limited role in carp farming. View Full-Text
Keywords: Cobb-Douglas production function; carp farming; Hungarian aquaculture; productivity; input efficiency; diseconomies of scale Cobb-Douglas production function; carp farming; Hungarian aquaculture; productivity; input efficiency; diseconomies of scale
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gyalog, G.; Oláh, J.; Békefi, E.; Lukácsik, M.; Popp, J. Constraining Factors in Hungarian Carp Farming: An Econometric Perspective. Sustainability 2017, 9, 2111.

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