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This article looks at the deadweight loss arising from monopoly elements in Australian manufacturing under various assumptions and its relationship with the level of concentration.  相似文献   
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The National Flood Insurance Program was created to seek two often conflicting goals: (i) shifting risks from federal taxpayers to those who choose to live in flood plains and (ii) ensuring flood insurance is available to everyone at “reasonable” rates. Efforts to accomplish the second goal currently take the form of subsidies based on location and the date a home was constructed. The resulting revenue from subsidized insurance premiums is not sufficient to cover the true cost of flood insurance, and federal taxpayers have paid the difference: $30 billion to date. Based on a detailed survey of households in the high‐risk flood zones of New York City (NYC), we find that replacing existing premium subsidies with risk‐based prices and a subsidy for low‐income housing‐burdened households could better meet both goals by ensuring low‐income individuals have access to affordable flood insurance while still saving the federal taxpayer up to $183 million per year in NYC alone.  相似文献   
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We develop the generalized Taylor economy (GTE) in which there are many sectors with overlapping contracts of different lengths. In economies with the same average contract length, monetary shocks will be more persistent when longer contracts are present. Using the Bils–Klenow distribution of contract lengths, we find that the corresponding GTE tracks the U.S. data well. When we choose a GTE with the same distribution of completed contract lengths as the Calvo, the economies behave in a similar manner.  相似文献   
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This study measures the economic impact of the first phase of the Cocoa Livelihood Program (CLP‐I), a current World Cocoa Foundation (WCF) project, sponsored by the Bill and Melinda Gates Foundation and aimed at improving the livelihood of over 200,000 small cocoa producers in sub‐Saharan Africa via training, crop diversification, and farmer‐based organizations. Using data collected from 2,048 pre‐ and post‐CLP‐I interviews of cocoa producers in Ghana, Cote d'Ivoire, Nigeria, and Cameroon, the results show that yield enhancements attributable to CLP‐I are 32%, 34%, 50%, and 62% in Ghana, Côte d'Ivoire, Nigeria, and Cameroon, respectively. Using a total program cost of $151–$200 per beneficiary and estimated annual benefits of $109–$322 per beneficiary over 25 years, the benefit‐cost ratios are estimated to range from $18 to $62 for every dollar spent on human capital development. These results suggest the WCF should endeavor to increase the number of farmers who receive all, not some, of the components of the program. This would not only help ensure that each producer obtains as much human capital as possible from each of the training programs but increases the probability of reaching the CLP goal of doubling the income of cocoa‐growing households.  相似文献   
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Over the last thirty years, the effects of indirect taxation changes have been analysed using comparative static general equilibrium models. We use a new method to analyse current changes in Australia's indirect taxes: dynamic computable general equilibrium modelling. Comparative static methods compare the situation in a given year (usually unspecified) with and without a policy change. The dynamic method shows the effects of a policy change through time. Comparative static methods are usually restricted to estimates of long-run changes in allocative efficiency. The dynamic method provides information not only on efficiency but also on adjustment processes, including variations in employment. With our dynamic method, the effects of policy changes are analysed as deviations from explicit forecasts. We find that these forecasts are important for the policy results. For Australia's current set of indirect tax changes, our main conclusions are (i) the short-run employment effects depend critically on the wage response; (ii) merchandise exporters benefit but tourism is harmed; and (iii) the long-run welfare effectsare likely to be negative, reflecting a decline in the terms of trade and increased compliance costs.  相似文献   
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In a previous article the authors provided an introduction to using the internet as a resource for business ethics. In this sequel they look at newsgroups and chatrooms, and conclude by looking at the websites of Shell and a Shell critic on the controversial ethical aspects of its corporate policy and behaviour. Ben Fairweather is a Research Fellow, and Steve Dixon is Webmaster, at the Centre for Computing and Social Responsibility, De Montfort University, The Gateway, Leicester LEl 9BH, England (email: ccsr@dmu.ac.uk) (website http://www.ccsr.cms.dmu.ac.uk/).  相似文献   
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