This article assesses two secondary data compilations about income inequality - the World Income Inequality Database (WIIDv2c), and the Standardized World Income Inequality Database (SWIIDv4.0) which is based on WIID but with all observations multiply-imputed. WIID and SWIID are convenient and...

Based on the hypothesis that microdata are of crucial importance for internationally competitive economic research and scientific advice in economic and social policy, the authors develop various proposals for an improved data supply for empirical work in Germany. Present shortcomings are mainly...

A real wage rate is a nominal wage rate divided by the price of a good and is a transparent measure of how much of the good an hour of work buys. It provides an important indicator of the living standards of workers, and also of the productivity of workers. In this paper I set out the conceptual...

Much of the political economy analysis of reform focuses on the conflict of interest between groups that stand to gain or lose from the competing policy proposals. In reality, there is also a lot of disagreement about the working of the policy: in addition to conflicting interests, conflicting...

This paper combines different strands of the productivity literature to investigate the effect of idiosyncratic (firm-level) policy distortions on aggregate outcomes. On the one hand, a growing body of empirical research has been relating cross-country differences in key economic outcomes, such...

We investigate the impact of slavery on the current performances of the US economy. Over a cross section of counties, we find that the legacy of slavery does not affect current income per capita, but does affect current income inequality. In other words, those counties that displayed a higher...

This paper uses new data on Swedish national wealth over a period of two hundred years to study whether the patterns in wealth-income ratios previously found by Piketty and Zucman (2014) for some very rich and large Western economies extend to smaller countries that were historically backward...

We investigate the historical determinants of the education gender gap in Italy in the late nineteenth century, immediately following the country's Unification. We use a comprehensive newly-assembled database including 69 provinces over twenty-year sub-samples covering the 1861-1901 period. We...

This paper investigates the impact of political leaders' migration experience on the quality of their leadership. We build up an original database on the personal background of 932 politicians who were at the head of the executive power in a developing country over the 1960-2004 period. We put...

In the centuries leading up to the Industrial Revolution, Western Europe gradually pulled ahead of other world regions in terms of technological creativity, population growth, and income per capita. We argue that superior institutions for the creation and dissemination of productive knowledge...