Empirical evidence suggests that sectoral export growth decreases exporters' survival probability, whereas this is not true for non-exporters. Models with firm heterogeneity in total factor productivity (TFP) predict the opposite. To solve this puzzle, we develop a two{factor framework where...

In this era of globalisation the traditional Ricardian theory of trade in products governed by comparative advantages is replaced by a modern theory of trade in tasks. Tasks are outsourced to those places in the world where the lower production costs outweigh the additional transaction costs...

Several studies have identified the impact of trade liberalization in developing countries on the return to education within a Mincerian framework through a difference-in-difference estimator or with industry-level measures of trade openness. These studies have typically estimated the return to...

This paper presents a unified theory of human capital with both health capital and, what we term, skill capital endogenously determined within the model. By considering joint investment in health capital and in skill capital, the model highlights similarities and differences in these two...

We extend Lazear’s theory of skills variety and entrepreneurship in three directions. First, we provide a theoretical framework linking new business creation with an entrepreneur’s skill variety. Second, in this model we allow for both generalists and specialists to possess skill variety....

This paper proposes that risk aversion encourages individuals to invest in balancedskill profiles, making them more likely to become entrepreneurs. By not havingtaken this possible linkage into account, previous research has underestimated the impactsboth of risk aversion and balanced skills on...

This paper aims to provide a conceptual and operational context for analysing regional inequalities. It does so by utilizing a ‘search & matching’ framework. The model, developed in this paper, maps the way in which individuals are distributed according to: 1) the abilities of individuals to...

Existing studies show a positive relationship between entrepreneurs' business performance and their conventional human capital as measured by previous business experience and formal education. In this paper, we explore whether illegal entrepreneurship experience (IEE), an unconventional form of...

This discussion paper resulted in a publication in <A href="http://link.springer.com/article/10.1007%2Fs11187-012-9436-x">'Small Business Economics'</A>, 2013, 41(2), 335-357.<P> Policy in developed countries is often based on the assumption that higher business ownership rates induce economic value. Recent microeconomic empirical evidence casts doubts on the validity of...</p></a>

This paper presents a unified theory of human capital with both health capital and, what we term, skill capital endogenously determined within the model. By considering joint investment in health capital and in skill capital, the model highlights similarities and differences in these two...