Fishing effort: Its testing,specification, and internal structure in fisheries economics and management |
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| Affiliation: | 1. Imec, Kapeldreef 75, B-3001 Leuven, Belgium;2. ESAT-ELECTA, KU-Leuven, Kasteelpark Arenberg 10, B-3001 Leuven, Belgium;3. Kuwait University, College of Engineering and Petroleum, Electrical Engineering Department, Safat 13060, Kuwait;4. University of Debrecen, Faculty of Science and Technology (TTK), Institue of Physics, 4026, Bem square 18/b, Hungary;1. Department of Applied Economics, Fo Guang University, Yilan, Taiwan;2. Department of Economics, Feng Chia University, Taichung, Taiwan;3. Department of Leisure Management, Tungnan University, Taipei, Taiwan;1. Samsung Card, South Korea;2. Texas A&M University, United States;1. Division of Environmental Management and Policy, School of Environment, Tsinghua University, Beijing 100084, China;2. School of Environment, Beijing Normal University, Beijing 100875, China |
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| Abstract: | The concept of fishing effort is central to fisheries economics and management. However, effort is an aggregate index of inputs which can be consistently formed only under the condition on production technology of homothetic separability of inputs. This paper develops the conditions under which effort can be consistently formed. It then provides the first empirical test for effort and jointness in inputs in a fishery by estimating a multiproduct function for the New England otter trawl fleet. After not rejecting input-output separability and rejecting nonjointness in inputs, the construction of a superlative index for effort is demonstrated through estimating a translog production function. The implications of effort's internal structure for fisheries management are then considered. |
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