In most OECD-countries, immigrants have lower employment and higher unemployment than natives. This paper compares nine potential explanations of these gaps. Results are obtained for 21–28 countries using bivariate correlations, OLS-regressions and Bayesian model averaging over all 512...

In endeavouring to explain the empirical puzzle that the sunk costs of exporting are important, but that, at the same time, trade flows do not, on average, survive for very long, this paper explores the concepts of core and peripheral markets. First, it illustrates that if the importance of sunk...