In this paper we present a life-cycle model with human capital investment during working life through training and provide a novel empirical test of human capital theory. Using a sizable pension reform which shifts the retirement age between two adjacent cohorts by three years, we document...

This paper explores inequalities in IQ and economic preferences between children from high and low socio-economic status (SES) families. We document that children from high SES families are more intelligent, patient and altruistic, as well as less risk-seeking. To understand the underlying...

This paper analyzes the drivers of wage differences among college graduates who hold a degree in a different field of study. We focus on Turkey, an emerging country that is characterized by a sustained expansion of higher education. We estimate conditional wage gaps by field of study using OLS...

Foreign language skills represent a form of human capital that can be rewarded in the labor market. Drawing on data from the Adult Education Survey of 2007, this is the first study estimating returns to foreign language skills in Turkey. We contribute to the literature on the economic value of...

We use German administrative and survey data to investigate the heterogeneity of part-time penalties in hourly wages and growth rates. Exploiting tax reforms for identification, we find substantial heterogeneity in part-time wage penalties from -28.3% to -7.2% compared to full-time. The...

I study the life-cycle pattern of part-time employment and its impact on wage growth in female careers. I show that the part-time wage penalty consists of two essential components: i) a penalty for promotions and ii) a within-career-level wage penalty. Using dynamic structural modeling, I...

This study exposes a comparative treatment of the private returns to education in Palestine and Turkey over the period 2004-2008. Comparable data, similar definitions and same methodology are used in the estimations. The estimates are provided first for average returns to education second for...

This paper investigates the male wage inequality and its evolution over the 1994- 2002 period in Turkey by estimating Mincerian wage equations using OLS and quantile regression techniques. Male wage inequality is high in Turkey. While it declined at the lower end of the wage distribution it...

In this paper, we investigate the effect of the level of English skills on the labour market outcomes of Turkish women, using data from the Adult Education Survey of 2007. By adopting a bivariate equation framework, we jointly model the effect of English skills on labour market status and,...

This paper provides an introduction and overview of my research on the Economics of Language. The approach is that language skills among immigrants and native-born linguistic minorities are a form of human capital. There are costs and benefits associated with this characteristic embodied in the...