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In this paper, we develop a paleoeconomic model of the co-evolution of economic specialization and encephalization—the common physiological measure of intelligence as reflected by brain mass relative to total body mass. Our economic analysis links ecological and social intelligence theories of increased encephalization in early hominins through a model in which both economic and ecological feedbacks jointly determined the evolutionary incentives. We focus on degrees of specialization affected by coordination costs with and without market exchange. Our results suggest encephalization would be a process characterized by diminishing returns to behavioral advances. In terms of the long-running debate in economics over whether specialization increases or decreases intelligence, our results suggest from an evolutionary perspective the answer depends on economic/social institutions and how these influence ecological interactions. 相似文献
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Conclusion The analysis of low price conspiracy suggests that even if it were legal, it requires very special and uncommon conditions. Such conditions were not present in the U.S. television industry, and the Supreme Court correctly concluded that the evidence did not support the existence of a low price conspiracy involving Japanese television manufacturers. The Court indicated that persuasive actual cost evidence must be presented to overcome economic logic that predation is very unlikely. Predation can still be shown but the standard of proof is high. After all allegations of low price conspiracy may be more likely to limit competition than any actual low price conspiracy itself. 相似文献
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Erwin Danneels 《战略管理杂志》2008,29(5):519-543
According to dynamic capability theory, some firms are better able than others at altering their resource base by adding, reconfiguring, and deleting resources or competences. This study focuses on the first form of dynamic capability: the competence to build new competences. Two such second-order competences are studied: the ability to explore new markets and the ability to explore new technologies—referred to as marketing and R&D second-order competences, respectively. Using two wave panel data on a sample of U.S. public manufacturing firms, five organizational antecedents of these second-order competences are examined: willingness to cannibalize, constructive conflict, tolerance for failure, environmental scanning, and resource slack. Willingness to cannibalize, constructive conflict, scanning, and slack have contemporaneous effects, while scanning also has a lagged effect and slack has a U-shaped lagged effect on marketing and R&D second-order competences. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
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Erwin Bulte Daan P. van Soest G. Cornelis van Kooten & Robert A. Schipper 《American journal of agricultural economics》2002,84(1):150-160
Stochastic dynamic programming is used to investigate optimal holding of primary tropical forest in humid Costa Rica when future nonuse benefits of forest conservation are uncertain and increasing. The quasi-option value of maintaining primary forests is included as a component of investment in natural capital. Although the impact of uncertainty on conservation incentives is substantial, our results indicate that a rising trend in future benefits and compensation by the international community for beneficial spillovers are more important factors in determining optimal holdings of forest stocks. Without compensatory payments, however, further deforestation may be warranted. 相似文献
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Erwin Danneels 《战略管理杂志》2011,32(1):1-31
Smith Corona, formerly one of the world's leading manufacturers of typewriters, was challenged to exercise dynamic capability in the face of the dissipation of its main product category. A study of the last two decades of the life of the company shows how Smith Corona tried to alter its resource base by leveraging existing resources, creating new resources, accessing external resources, and releasing resources. Using the extended case method, this study advances dynamic capability theory by confronting it with an empirical case. The Smith Corona case provides rich insights into the resource alteration processes by which dynamic capability operates, and highlights resource cognition as a missing element in dynamic capability theory. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
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The paper derives a consistent accounting framework for the treatment of inventories when measuring the productivity of a distribution firm. The average purchase price of an inventory item during an accounting period must be distinguished from its average selling price and these two average prices should be distinguished from the corresponding balance sheet prices. The accounting framework is implemented for a distribution firm which sold 76,000 separate items. The firm achieved a 9.6 percent per quarter total factor productivity growth rate over 6 quarters.The first author is a Professor of Economics at the University of British Columbia and a research associate of the NBER. He thanks the SSHRC of Canada for research support. The second author is a recent graduate of the University of British Columbia. 相似文献
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A number of theoretical results on estimating returns to scale, technical progress and monopolistic markups are derived when there are multiple outputs and inputs. The choice of value added versus gross output and problems that arise in aggregation across sectors of an economy are also considered. Using US data on manufacturing, evidence is found of increasing returns to scale across all levels of aggregation. Technical progress is typically found to be insignificant implying that economic growth has been driven by increasing returns to scale rather than technical progress. Such findings have important implications for the macroeconomic modeling of economic fluctuations. 相似文献