Pedro Pita Barros

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We test the effect of a change in the sex ratio on marital assortative matching by social class using a large negative exogenous shock to the French male population due to WWI casualties. We analyze a novel data set that links marriage-level data to both French censuses of population and regional data on military mortality. We instrument the sex ratio in a(More)
We estimate the impact of extra health insurance coverage beyond a National Health System on the demand for several health services. Traditionally, the literature has tried to deal with the endogeneity of the private (extra) insurance decision by finding instrumental variables. Since a priori instrumental variables are hard to find we take a different(More)
The Portuguese population enjoys good health and increasing life expectancy, though at lower levels than other western European countries. All residents in Portugal have access to health care provided by the National Health Service (NHS), financed mainly through taxation. Co-payments have been increasing over time, and the level of cost-sharing is highest(More)
To the best of our knowledge, the international marketing literature has been examining performance exclusively as a dependent variable. In this paper we argue that performance should be investigated as an independent variable. Using survey data of over 400 managers responsible for the main export ventures of Portuguese SMEs (Small and Medium Exporters),(More)
This paper makes several contributions to the growing literature on the economics of religion. First, we explicitly introduce spatiallocation models into the economics of religion. Second, we offer a new explanation for the observed tendency of state (monopoly) churches to locate toward the “low-tension” end of the “strictness continuum” (in a(More)
Reform proposals of health care systems in several countries have advocated variations of a risk adjustment/capitation system. These proposals face a serious objection: incentives to risk selection are prevalent in the system. By now, considerable literature has been devoted to finding ways of mitigating, if not eliminating, this problem, while at the same(More)
In this paper, we study the dynamics of usage intensity of second-generation cellular telephony over the diffusion curve. We address two specific questions: First, does information about usage intensity over time allow us to draw conclusions about the underlying drivers of technology diffusion? Second, what effect does the existence and penetration of(More)