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491.
Antonella D’agostino Giovanni De Luca Dominique Guégan 《Review of Income and Wealth》2023,69(2):419-442
This article provides an innovative method for measuring the dependence between pairs of poverty dimensions using a semiparametric copula approach that permits us to account for the importance of extreme low values. The association between pairs of poverty dimensions at the lower tail is easily measured using the parameter estimates of the specified parametric copula, and no further calculations are needed. This approach is used to measure the bivariate lower tail dependence between the dimensions of the AROPE rate in Europe at two time points (2009 and 2018). The findings reveal a statistically significant increase in the lower tail dependence between 2009 and 2018 in several European countries. 相似文献
492.
This paper investigates the effects of a public uniform R&D subsidy policy in a downstream duopoly market in which a nonintegrated firm, which faces a lower marginal cost, outsources inputs from its vertically integrated rival. The findings show that, in this market structure, such a policy has relevant effects largely differentiated between downstream competitors, as it can significantly modify the relative market shares and profitability of competing firms. Unlike the standard Cournot setting augmented with R&D, results show that the subsidy policy can have different (counterintuitive) effects on R&D investments, output, and profits of the vertically integrated producer and the vertically separated firm, which hold in both cases of exogenous and endogenous (optimal) subsidy. Our findings offer some testable implications and suggest that a subsidy policy in a market with outsourcing to a rival should also consider the different effects of this approach on competitors. 相似文献