Criteria for initiation of highly active antiretroviral treatments (HAART) in HIV-infected patients remain a matter of debate world-wide because short-term benefits have to be balanced with costs of these therapies, and restrictions placed on future treatment options if resistant viral strains...

In the wake of the Melitz (2003) model of heterogeneous firms in international trade, new theoretical models arose that try to assess the impact of trade on wage inequality within sectors, a feature that neoclassical trade theory cannot sufficiently explain. Based on the predictions of Helpman,...

This paper is motivated by the observation that intermediaries play an important role in international trade. The matching role of intermediaries is examined in a pairwise matching model with two-sided information asymmetry, where intermediaries develop contacts. Intermediation expands the set...

This theoretical paper intends to provide an explanation of the implementation of behind-the-border policies, border policies, and of the inefficiency of trade negotiations. We consider a general equilibrium model of international trade with two identical countries, two commodities, a...

The aim of this paper is to assess of the impact of the European Union’s trade preferences on global trade, focusing on several methodological issues that are relevant to the trade-creating impact of these preferences. Using highly disaggregated eight-digit data in a theoretically...

Familienunternehmen gelten in der öffentlichen Wahrnehmung als besonders innovativ und als Hidden Champions der deutschen Wirtschaft. In jüngster Zeit widmen sich Forscher vermehrt der Überprüfung dieser These und kommen zu diametral unterschiedlichen Ergebnissen. Einerseits wird...

Familienunternehmen gelten in der öffentlichen Wahrnehmung als besonders innovativ und als Hidden Champions der deutschen Wirtschaft. In jüngster Zeit widmen sich Forscher vermehrt der Überprüfung dieser These und kommen zu diametral unterschiedlichen Ergebnissen. Einerseits wird...

Numerous studies regress log earnings on schooling and report estimated coefficients as Mincer rates of return. A more recent literature uses instrumental variables. This chapter considers the economic interpretation of these analyses and how the availability of repeated cross section and panel...