Sofoklis Goulas, Rigissa Megalokonomou, 11 January 2020

Exam scheduling may contribute to performance gaps between subjects, between males and females, as well as between students with differing performance histories. Using lottery-generated variation in exam timing at a Greek public high school, this column identifies three distinct channels through which exam scheduling can influence test performance. The simulation experiments show that the higher the number of exams taken, the higher the potential benefit from optimising exams scheduling.

David Card, Stefano DellaVigna, Patricia Funk, Nagore Iriberri, 08 January 2020

Women economists are under-represented across the discipline, from university departments to academic conferences and publishing houses. This column focuses on the editorial process and asks whether the referees and editors of four leading economics journals made gender-neutral publishing decisions between 2003 and 2013. The findings suggest that the gender of the referee does not affect the valuation of a paper and that editors are gender-neutral in valuing advice from referees. However, papers written by women appear to face a higher bar in the quest to be published.

Christine Exley, Judd Kessler, 23 December 2019

Women earn less than men at every level of employment, an inequality that has persisted for decades. This column examines one potential factor, namely, a sizeable gender gap in self-promotion. It considers four possible causes for this gap – performance, confidence, strategic incentives, and ambiguity – and while none can explain the gap alone, they do shed light on some of the labour market perceptions women may internalise over time, and to which employers should be sensitive in hiring practices.

Vladimir Otrachshenko, Olga Popova, José Tavares, 22 December 2019

There is evidence that hot climatic temperatures and crime are linked. With climate change raising temperatures around the world, it is possible we may see higher levels of personal aggression. Based on data from Russia, this column shows that on hotter days, women are more likely to be killed in homicides, especially over weekends. Colder days have no similar effect on violence. Lower wages and higher unemployment contribute to higher homicide rates, so policies promoting employment may mitigate victimisation during extreme temperature days.

Margherita Borella, Mariacristina De Nardi, Fang Yang, 23 November 2019

In the US, both taxes and social security benefits depend on one’s marital status and tend to discourage the labour supply of the secondary earner. Using information on US cohorts born in 1945 and 1955, this column shows that eliminating marriage-related provisions drastically increases the participation of married women over their entire life cycle and reduces the participation of married men after age 60. If the resulting government surplus were used to lower income taxation, there would be large welfare gains for the vast majority of the population.

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