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61.
B. Curtis Eaton Mukesh Eswaran Robert J. Oxoby 《The Canadian journal of economics》2011,44(3):719-748
Abstract We investigate the origins of identity and the innate proclivity to draw a distinction between ‘insiders’ and ‘outsiders’. We propose an evolutionary explanation: we argue that identity arises because it facilitates survival. In an evolutionary setting we endogenize preferences and demonstrate that the evolutionarily stable preferences fashioned by natural selection would distinguish between insiders and outsiders. We then work out the implications of such preferences in two contemporary scenarios, one entailing rent‐seeking behaviour and the other involving public good provision. Our results are in conformity with empirical evidence. 相似文献
62.
引爆全球商品抢购热潮来自中国官方的最新消息称,中国外汇投资基金已经成立,这是一件值得关注的事情。他们宣布,他们将持有650亿美元的储备金,他们将投资余额由过去的200亿美元增加到250亿美元,他们期望赚取更多的金钱。 相似文献
63.
Concepts from the literature on the relationship between environmental variation and strategic change are used to analyze the effects of deregulation on strategic management in the railroad industry. Specific hypotheses are presented about the impact of regulation and change in regulation on strategy, strategic change and performance. A survey of experts identified the strategies of 27 railroads prior to and after deregulation. Five different railroad strategies and five different kinds of strategic changes are identified and described. Results suggest that most firms changed their strategies in response to environmental variation, and that those that did change their strategics out-performed those that did not. Among the strategic changes, those involving innovation and contingency strategies were found to be the most profitable. Other empirical results are presented and discussed. 相似文献
64.
We study a setting in which a principal contracts with an agent to operate a firm over an infinite time horizon when the agent is liquidity constrained and privately observes the sequence of cost realizations. We formulate the principal’s problem as a dynamic program in which the state variable is the agent’s continuation utility, which is naturally interpreted as his equity in the firm. The optimal incentive scheme resembles what is commonly regarded as a sweat equity contract, with all rents back loaded. Payments begin when the agent effectively becomes the owner, and from this point on, all production is efficient. These features are shown to be similar to features common in real‐world work‐to‐own franchising agreements and venture capital contracts. 相似文献
65.
Deborah K. Tinsworth Suzanne P. Cassidy Curtis Polen 《International journal of injury control and safety promotion》2013,20(4):207-220
Abstract This paper provides the results of a U.S. Consumer Product Safety Commission (CPSC) study to determine the circumstances involved in bicycle-related injuries treated in U.S. hospital emergency rooms. It also includes information from a CPSC exposure survey of the U.S. population of bicycle users and their patterns of bicycle and helmet use. Together, these data were used to identify and evaluate risk factors currently associated with bicycle use in the United States Risk models identified factors specifically associated with injuries to children and to adults. Children were at particular risk of injury, and appeared to be especially vulnerable to head injury. In addition, the risk of injury for children was significantly increased when riding in non-daylight conditions. For both adults and children, there was a higher risk of injury on streets than in such areas as bike paths or unpaved surfaces. While some problems associated with bicycle assembly, operation, and maintenance were observed, the data did not suggest that any mechanical remedy is likely to reduce injuries substantially. 相似文献
66.
Fred Curtis 《Ecological Economics》2009,69(2):427-434
The global trade in goods depends upon reliable, inexpensive transportation of freight along complex and long-distance supply chains. Global warming and peak oil undermine globalization by their effects on both transportation costs and the reliable movement of freight. Countering the current geographic pattern of comparative advantage with higher transportation costs, climate change and peak oil will thus result in peak globalization, after which the volume of exports will decline as measured by ton-miles of freight. Policies designed to mitigate climate change and peak oil are very unlikely to change this result due to their late implementation, contradictory effects and insufficient magnitude. The implication is that supply chains will become shorter for most products and that production of goods will be located closer to where they are consumed. 相似文献
67.
We examine whether, in the aggregate, margin debt is associated with the divergence of price from accounting fundamentals. We find that investors increase their margin debt following upward price movements away from accounting fundamentals, consistent with these investors being extrapolative in aggregate. We also find evidence that margin debt appears to be linked to temporary overpricing in recent periods, as the aggregate ratio of margin debt to price is reliably associated with negative future returns since at least 1992. Our results are consistent with the theoretical literature that predicts extrapolative traders have a destabilizing effect on market prices, and helps explain why prices diverge from accounting fundamentals. 相似文献
68.
69.
We use Monte Carlo analysis to examine the potential of increased renewable generation to provide a hedge against variability in energy prices and costs. Fuel costs, electricity demand and wind generation are allowed to vary and a unit commitment and economic dispatch algorithm is employed to produce cost-minimizing generation schedules under different levels of installed wind capacity. Increased wind capacity reduces the mean and the variance of production costs but only the variance of electricity prices. Wind generators see their market revenues increase while consumer payments and fossil generator profits do not considerably vary as wind capacity increases. Risk aversion is captured by considering the conditional value-at-risk for both consumers and producers. The optimal level of wind generation increases as risk aversion increases due to the potential of wind to act as a hedge against very high electricity prices in high fuel price scenarios. 相似文献
70.
Using a single case study of a highly innovative medical device company engaged in two types of innovation (technological and customer-oriented), this paper examines the nature of the relationship between mutually reinforcing management control systems (MCSs) and the generation of dynamic tension between the different types of innovation. Findings show how mutually reinforcing MCSs create a push for consistency but fail to generate a dynamic tension between different types of innovation, thus crowding out one type of innovation. While the literature to date has been unclear on how mutual reinforcement and the generation of dynamic tension are related, this study makes a distinction between mutually reinforcing control systems that support each other in driving momentum around a particular strategic objective (consistent reinforcement), and control systems which are reinforcing in creating dynamic tension, thus reducing momentum in one particular direction (countervailing reinforcement). It also contributes to the literature by highlighting the protective role that MCSs can play in the management of innovation. Feedback and measurement systems reduce the vulnerability of resources to diversion to other areas by stimulating action on projects, driving accountability around the use of the resources, and commanding management attention. 相似文献