Experts predict that the acquisition of fresh water will soon supersede that of oil as a main source of international tension. The world's increasing population and industrialization are raising the level of pollutants and toxins, tainting water sources that could be used for consumption or...

This paper examines variation in old-age income inequality between industrialized nations with modern welfare systems. The analysis of income inequality across countries with different retirement income systems provides a perspective on public pension policy choices and designs and their...

Disability insurance - the insurance against the loss of the ability to work - is a substantial part of social security expenditures in many countries. The benefit recipiency rates in disability insurance vary strikingly across European countries and the US. This paper investigates the extent...

A number of distributions have been used to describe income distribution. This paper estimates eleven distributions (GB, GB1, GB2, B, B1, B2, GG, BR3, BR12, GA, and LN) using data from eight countries (Australia, Canada, Israel, Norway, Russia, Taiwan, United Kingdom, and the United States) for...

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...

Previous papers tested the validity of the Family Investment Hypothesis (FIH) among immigrants by comparing the labor market outcomes of immigrant couples and native or mixed couples. Here we propose an alternative test for the FIH which is based on a comparison between married and single...

Policy attention to the security industry increased substantially after the terrorist attacks in the U.S. on September 11th, 2001. With an increased demand for security, the global security market grew a tenfold to around €100 billion in 2011. Many studies expect that growth of the worldwide...

Die Mitgliedstaaten der Europäischen Union (EU) haben am 16. Januar 2024 beschlossen, im Rahmen der Gemeinsamen Sicherheits- und Verteidigungspolitik (GSVP) einen Beitrag zur Sicherstellung der Freiheit der Schifffahrt im Roten Meer zu leisten. Seit November 2023 greifen dort jemenitische...

We review research on the impact of immigration on income distribution. We discuss routes through which immigration can affect income distribution in the host and source countries, including compositional effects and effects on native incomes. Immigration may affect the composition of skills...