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1.
We study the performance of the rational expectations hypothesis in multiperiod experimental markets with multiple assets. We find that the markets are generally inefficient from the point of view of full information aggregation. However, arbitrage relationships hold, and it is not possible to detect the informational inefficiency by using some standard tests of market efficiency. These findings suggest that the lack of arbitrage opportunities and the failure of common tests to reject inefficiency are not sufficient to conclude that a market is informationally efficient. 相似文献
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JOHN POINTON 《The British Accounting Review》1997,29(4):349-366
Tax complexities relating to corporate tax losses, induced by debt finance, and to the differential tax treatment of equity and sterling debt, are introduced into corporate valuation. The after personal tax value of the geared firm can be less than that of the equivalent ungeared firm. Also, debt-induced tax losses can create negative betas. These fiscal effects are incorporated into degearing formulae under active and passive debt management policies. 相似文献
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Recent work in macro theory suggests that aggregate 'demand' policies have direct supply-side effects in the short run, if Lucas's standard specification of the nonlinear adjustment costs for capital is generalized In this paper, we estimate an investment equation (involving Tobin's valuation ratio and Australian data) which nests three hypotheses: Lucas's standard specification of adjustment costs, a simple generalization which permits labour to be involved in the installation of capital and a model which allows for liquidity constraints. The results support the suggested alternative formulation of the q-theory 相似文献
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This paper provides estimates of individual and aggregate revenue elasticities of income and consumption taxes in New Zealand, based on the 2001 tax structure and expenditure patterns. Using analytical expressions for revenue elasticities at the individual and aggregate levels, together with a simulated income distribution, values for New Zealand were obtained. Results using equi-proportional income changes suggest that the aggregate income and consumption tax revenue elasticities are both fairly constant as mean income increases, at around 1.3 and 0.95 respectively. This latter estimate assumes that increases in disposable income are accompanied by approximately proportional increases in total expenditure. If there is a tendency for the savings proportion to increase as disposable income increases, a somewhat lower total consumption tax revenue elasticity, of around 0.9, is obtained for 2001 income levels. However, non-equiproportional income changes are more realistic. Allowing for regression towards the geometric mean income reduces these elasticities, giving an elasticity for income and consumption taxes combined that is only slightly above unity. Examination of the tax-share weighted expenditure elasticities for various goods also revealed that, despite the adoption of a broad based GST at a uniform rate in New Zealand, the persistence of various excises has an important effect on the overall consumption tax revenue elasticity, especially for individuals at relatively low income levels. 相似文献
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JOHN CADIGAN 《Journal of Public Economic Theory》2006,8(4):555-569
This essay evaluates two provisions in the Bipartisan Campaign Reform Act (BCRA): raising contribution limits and banning soft money. The model highlights the importance of marginal cost ratios for candidates and their parties. The results suggest that raising contribution limits protects incumbents. Importantly, this generates efficiency gains that come at the expense of electoral competitiveness. When a party has an advantage in a large number of districts, the soft money ban may also reduce rent‐seeking effort while exacerbating existing advantages. Ultimately, the two provisions underscore an “equity‐efficiency” trade‐off. While restricting rent‐seeking effort, they probably lead to less competitive elections. 相似文献