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101.
John Grieve Smith 《International Review of Applied Economics》2006,20(4):527-530
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This paper develops a two-country, overlapping-generations model of an economy with a forward market in foreign exchange. The equilibrium forward rate exhibits the conventional decomposition into the expected future spot rate, a convexity term and a risk premium. Unlike partial equilibrium models, however, the model expresses these terms as functions of the primitive structural parameters of the economy. It thus provides insights into the structure of the premium which may facilitate interpretation of empirical studies of the forward markets. In particular, it suggests that time-varying risk premia may arise from changes in the distribution of wealth between countries over time. 相似文献
103.
Robert B. Smith 《Quality and Quantity》1987,21(3):291-311
Interpretations are theoretical structures that explain empirical facts. The joint use of data from qualitative and quantitative studies can provide empirical facts for interpretation that are both valid and reliable. The examples reviewed in this article show how articulated qualitative and quantitative research can ameliorate three interrelated methodological problems that have hindered the gaining of an interpretive understanding of social actions. These are: (1) verstehen and the implementation of empirical studies to assess the subjective meaning of social actions; (2) the linking of understanding and explanation; and (3) the linking of macro and micro analysis. 相似文献
104.
This paper analyzes market entry and collusion in a model of duopoly with product-specific-set-up costs. The analysis demonstrates that collusion can alter the incentives for entry deterrence. We find conditions under which an established firm will permit entry and collude with a potential entrant even though entry deterrence is a viable option under noncooperative oligopoly rules. Conditions are also specified in which entry will be effectively impeded and collusion will not be undertaken. 相似文献
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Although there are no traditional markets and money prices inthe public sector, consumers and providers may respond to signalsof organisational performance. We present a simple dynamic modelof the demand and supply for elective surgery in the UK NationalHealth Service in which waiting time acts as the prime indicatorof performance. The model is tested using a panel of quarterlydata for 123 English health authorities over an eight-year period.We find that supply is increasing and demand is decreasing inmeasures of the previous period waiting time. The results implythat health care systems which are rationed by waiting do respondto indicators of waiting times. The paper adds to the smallbut consistent body of research which demonstrates that publicsector systems respond to important aspects of reported performance. 相似文献