Ever since Goldin (1995) proposed the idea that there is a U-shaped female labor force participation rate function in economic development, empirical research is stunned by the question why the countries of the Middle East and North Africa (MENA) are characterized by such low rates of female...

Publishing in economics proceeds much more slowly on average than in the natural sciences, and more slowly than in other social sciences and finance. It is even relatively slower at the extremes. We demonstrate that much of the lag, especially at the extremes, arises from authors' dilatory...

Medical experts have argued forcefully that using cigarettes harms health, prompting the adoption of myriad anti-smoking policies. The association between smoking and mortality may, however, be driven by unobserved factors, making it difficult to discern the underlying long-term causal...