In this paper, I analyze the time paths of the efficiencies of skilled and unskilled labor in aproduction framework where skilled and unskilled labor are imperfect substitutes. Theirimplications for economic growth and wage inequality in the US between 1950 and 2005present two main findings....

How important is mastering information and communication technologies (ICT) in modern labor markets? We present the first evidence on this question, drawing on unique data that provide internationally comparable information on ICT skills in 19 countries. Our identification strategy relies on the...

We examine how changes in task content over time condition occupational wage development. Using survey data from Germany, we document substantial heterogeneity in within-occupational changes in task content. Combining this evidence with administrative data on individual employment outcomes over...

We examine how changes in task content over time condition occupational wage development. Using survey data from Germany, we document substantial heterogeneity in within-occupational changes in task content. Combining this evidence with administrative data on individual employment outcomes over...

This chapter reviews recent advances in the task model and shows how this framework can be put to work to understand trends in the labor market in recent decades. Production in each industry requires the completion of various tasks that can be assigned to workers with different skills or to...

The recent decades have witnessed changing employment structures combined with rising earnings inequality. Skill-biased technological change (SBTC) has been proposed as a driving force in the literature. We reexamine the effects of SBTC in a small open economy context where the capital market...

This paper argues that investment-specific technological progress (ISTP) conventionally identified with the relative price of investment, inevitably correlate with neutral technological progress in heterogeneous production networks. Consequently, the ISTP is an elusive concept to examine the...

To examine how human capital accumulation influences both economic growth and income inequality, we carefully endogenize the demand and supply of skills. We explicitly introduce the costs and externalities in education, and examine how both relate to learning-by-doing and R&D intensity. In...