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Growth accounting in a fishery

机译:渔业中的增长核算

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摘要

Since 1950, the real value of fish catches in Norway has about doubled, while the number of fishermen has declined by about 85 percent. This has made it possible to maintain fishermen's incomes roughly on par with other occupational groups in Norway. It is investigated to what extent this increase in labor productivity is due to accumulation of capital, increasingly abundant fish stocks, or technological progress. Since the capital stock in recent years is not much greater in real terms than in the early 1960s, it is tempting to ascribe most of the increase in labor productivity to technical progress. This, however, would leave out the role of fish stocks; if stocks have increased over this period, this would explain some of what otherwise appears as a technical progress. Using data on labor, capital, fish catches, and fish stock abundance 1961-2004 the development of total factor productivity is examined. Ignoring changes in fish stocks, total factor productivity is estimated to have increased by 0.8 percent per year. Accounting for changes in fish stocks raises this to 1.7-4.3 percent per year, depending on the importance assigned to stocks as factors of production.
机译:自1950年以来,挪威渔获物的实际价值大约增加了一倍,而渔民数量却下降了约85%。这使得保持渔民的收入与挪威其他职业群体大致相当成为可能。调查表明,劳动生产率的提高在多大程度上是由于资本积累,日益丰富的鱼类资源或技术进步所致。由于近年来的资本存量实际不比1960年代初大很多,因此很容易将劳动生产率的提高归因于技术进步。但是,这将忽略鱼类种群的作用;如果在此期间库存增加,这将解释一些原本是技术进步的情况。利用1961-2004年劳动力,资本,渔获量和鱼类种群数量的数据,研究了全要素生产率的发展。忽略鱼类种群的变化,估计全要素生产率每年增长0.8%。考虑到鱼类种群变化的重要性,将其提高到每年1.7-4.3%,这取决于鱼类种群作为生产要素的重要性。

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