Economies of scale and concentration in the Greek and the Norwegian aquaculture industry: an empirical Study

Konstantinos Vergos, A. Christopoulos, P. Krystallidis, O. Papandroni

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Abstract

The purpose of this study is to investigate whether there are economies of scale in the Greek and Norwegian fish farming industry, and to examine the structure of the sector. To investigate economies of scale, use the Cobb-Douglas production function, while we examine the structure of the fish-farming by computing the HHI indicator over different years. We find that the market concentration level is high in Greece in both relative, to Norway, and in absolute terms. From the other part, Norway, the leader of the fish farming of Atlantic salmon and Rainbow trout globally, suffers from economies of scale in the examined period. Given the fact that both Greek and Norwegian production is targeting large markets in Europe (UK, France, Italy) both the findings in Greece and Norway may be worrying signals, that large M&A activity may lead to decreasing competition and increasing returns to scale in the industry, as previously happened in the food retail industry. Given the important contribution of fish farming to poverty alleviation, food security and social well being, European regulators should investigate whether it is optimal to exercise policies that enhance technology transfer and limit further market concentration.
Original languageEnglish
Pages (from-to)70-78
Number of pages9
JournalInternational Journal of Business Management and Economic Research
Volume1
Issue number1
Publication statusPublished - 2010

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