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排序方式: 共有189条查询结果,搜索用时 125 毫秒
41.
Ujjayant Chakravorty Marie-Helene Hubert Michel Moreaux 《Frontiers of Economics in China》2014,9(1):52-69
Many countries are promoting biofuels as a substitute for scarce oil. This paper develops a dynamic model of land allocation between food and energy and shows how the model can be calibrated using standard optimization techniques. Some possible implications of the trade-offs between food and energy are discussed. Specifically, we show that the effect of mandates is mainly felt through increased land conversion, which increases indirect carbon emissions Crude oil prices do not decrease significantly because of leakages. 相似文献
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This paper offers a framework to study strategic interactions between private players, national fiscal authorities and a common central bank in monetary unions. We establish general conditions, in terms of restrictions on spillover effects of actions by private and public players, under which games that differ in the degree of cooperation and commitment can admit the same equilibrium outcome. We use these conditions to characterize benchmark results on the irrelevance of cooperation and commitment established in recent literature. Moreover, we show for a general setting, in which the benchmark results do not apply, that gains from fiscal cooperation depend on the number of countries and increase as this number gets larger. 相似文献
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This article studies the repayment of regional debt in a multiregion economy with a central authority: Who pays the obligation issued by a region? With commitment, the central government will use its economy‐wide taxation power in support of its objective to smooth distortionary taxes and consumption across regions. Absent commitment, this tool of the central government may be exploited to induce it to bail out regional government deficits. We characterize the conditions under which bailouts occur and their welfare implications. In particular, we show when the gains from a federation may outweigh the welfare costs of a bailout. We use these insights to comment on actual fiscal relations in three quite different federations: the United States, the European Union, and Argentina. 相似文献
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Hubert Dichtl Wolfgang Drobetz Viktoria-Sophie Wendt 《European Financial Management》2021,27(1):20-58
Factor-based allocation embraces the idea of factors, as opposed to asset classes, as the ultimate building blocks of investment portfolios. We examine whether there is a superior way of combining factors in a portfolio and provide a comparison of factor-based allocation strategies within a multiple testing framework. Factor-based allocation is profitable beyond exploiting genuine risk premia, even when applying multiple testing corrections. Investment portfolios can be efficiently diversified using factor-based allocation strategies, as demonstrated by robust economic performance over various economic scenarios. The naïve equally weighted factor portfolio, albeit simple and cost-efficient, cannot be outperformed by more sophisticated allocation strategies. 相似文献
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Hubert B. Stroud 《Land use policy》1985,2(2):126-134
This article explains how recreational subdivisions convert large tracts of rural land in the USA into ‘potential vacation homesites’. Much subdivision has occurred in areas where land use regulations are weak or non-existent. All too often developers have implemented an operational framework without a master plan, have not adhered to local environmental constraints, and failed to provide the most basic services needed for human habitation. Many of these so-called ‘planned new communities’ qualify as neither communities nor planned and end up as ghost subdivisions with vast acreages of unused, vacant land marked by an elaborate network of bladed roads. Specific developmental guidelines are suggested to assist governmental officials in reducing the negative impact associated with the premature subdivision of land years prior to its expected use. 相似文献
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