The paper studies optimal income taxation in a model with labor supply responses at the intensive and the extensive margin. It is shown that a utilitarian desire for redistribution does not pin down the sign of the optimal marginal tax rate: labor supply may be downward distorted, undistorted,...

What are the welfare and employment consequences of preferential trade agreements (PTAs) for developing and emerging countries? Standard quantitative models of international trade which are generally used to assess the impact of PTAs assume full employment and hence abstract from (net)...

Using VAR analysis on US data, we show that unanticipated fiscal expansions boost private consumption and business formation. Models with an extensive investment margin, i.e. endogenous firm and product entry, have difficulties explaining these two phenomena simultaneously. Considering different...

Recent empirical evidence shows that the few firms that receive subsidies are large, and that large firms take a prominent role in shaping public policy by lobbying. In this paper, I present a theoretical framework that accounts for these empirical facts in a unified way. I study the role of...

This paper looks inside the firm and investigates how trade alters the matching of worker-specific abilities and task-specific requirements. The outcome of this matching depends on how firms organize their recruitment process and how much they invest into the screening of applicants. In the open...

This paper studies within a multi-country model with international trade the stability of international environmental agreements (IEAs) when countries regulate carbon emissions either by taxes or caps. Regardless of whether coalitions play Nash or are Stackelberg leaders the principal message is...

In recent years, the increase in international trade has sparked a debate about the impact of international trade on population health. To date, however, there has been very little econometric research on the relationship between these two variables. This paper examines the long-run relationship...

We analyze the offshorability of jobs using the German Qualifications and Career Survey. The paper differentiates between outsourcing potential and international tradability and systematically uses a large set of potential determinants of organizational and spatial relocation derived from the...