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The purpose of this paper is to derive a Rao's efficient score statistic for testing for heteroscedasticity in an error components model with only individual effects. We assume that the individual effect exists and therefore do not test for it. In addition, we assume that the individual effects,...
Persistent link: https://www.econbiz.de/10005518774
The Swiss authorities plan to reduce the currently excessively high taxes on bioethanol. We argue that a fair tax treatment of ecological fuels could lead to a rapid development in their use in the next few years. For this to be the case, Switzerland would however have to open up its market to...
Persistent link: https://www.econbiz.de/10005518775
This paper analyzes the important time variation in U.S. aggregate portfolio allocations. To do so, we first use flexible descriptions of preferences and investment opportunities to derive optimal decision rules that nest tactical, myopic, and strategic portfolio allocations. We then compare...
Persistent link: https://www.econbiz.de/10005518776
Persistent link: https://www.econbiz.de/10005518777
We study the impact of an anticipated "baby boom" in an overlapping generations economy. The rise of the working population lowers the wage, and the high demand for assets causes a rise in the price of capital which will be reversed when the baby boomers leave the work-force. However, the swings...
Persistent link: https://www.econbiz.de/10005518778
Behavioral economists have come to recognize that reciprocity, the interaction of trust and trustworthiness, is a distinct and economically relevant component of individual preferences alongside selfishness and altruism. This recognition is principally due to observed decisions in experimental...
Persistent link: https://www.econbiz.de/10005518779
This paper presents a simple model to analyse the impact of localised externalities on the internationalisation decision of firms. We argue that, once localised spillovers are taken into account, the standard predictions on the nature and direction of foreign direct investment (FDI) flows may...
Persistent link: https://www.econbiz.de/10005518780
The article re-examines the proposition, first formulated by Bryant (1980) and Diamond and Dybcvig ( 1983), that in a production economy with stochastic liquidity shocks to the household sector, banks serve to provide optimal intertemporal insurance to consumers. The paper argues that in order...
Persistent link: https://www.econbiz.de/10005518781
Persistent link: https://www.econbiz.de/10005518782
Persistent link: https://www.econbiz.de/10005518783