Patterns of Productivity Growth in the Norwegian Salmon Farming Industry
AbstractThis paper is concerned with empirical measurement of patterns of productivity growth by means of competing panel data models of technical change. We argue that short term analysis must rely on models of technical change which are more flexible than the standard time trend model, because biophysical shocks and shifting market conditions lead to shifts in the rate of technical change from year to year. Based on empirical results from an unbalanced panel of 560 Norwegian salmon farms for the period 1985-93 we also find that flexible models of technical change are the most appropriate for short term analysis of productivity growth. Our results indicate that market conditions may be as important as biophysical shocks, such as disease outbreaks and weather shocks, for the estimated rates of productivity growth. Contrary to standard hypotheses in the literature we find a negative relationship between industry price-cost margin and productivity growth, probably due to a reduced level of on-farm innovation and less investments in improved technologies under depressed economic conditions.
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Bibliographic InfoPaper provided by Stockholm School of Economics in its series Working Paper Series in Economics and Finance with number 301.
Length: 25 pages
Date of creation: 09 Feb 1999
Date of revision:
Publication status: Published in International Review of Economics and Business, 2002, pages 367-393.
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Postal: The Economic Research Institute, Stockholm School of Economics, P.O. Box 6501, 113 83 Stockholm, Sweden
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More information through EDIRC
Firm-specific technical change; productivity growth; market conditions; salmon farming;
Find related papers by JEL classification:
- C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models
- C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
- D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
- Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
- Q22 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Fishery
This paper has been announced in the following NEP Reports:
- NEP-ALL-1999-02-15 (All new papers)
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- Lundmark, Robert & Soderholm, Patrik, 2004. "Estimating and decomposing the rate of technical change in the Swedish pulp and paper industry: A general index approach," International Journal of Production Economics, Elsevier, vol. 91(1), pages 17-35, September.
- Straume, Hans-Martin, 2013. "Currency invoicing in Norwegian salmon export," Working Papers in Economics 11/13, University of Bergen, Department of Economics.
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