This research establishes that the emergence, prevalence, recurrence, and severity of intrastate conflicts in the modern era reflect the long shadow of prehistory. Exploiting variations across national populations, it demonstrates that genetic diversity, as determined predominantly during the...

We study how the prevailing internal organization of the family affected the initial design of pension systems. Our theoretical framework predicts that, in society with weak family ties, pensions systems were introduced to act as a safety net, while in societies with strong ties they replicate...

We study how the prevailing internal organization of the family affected the initial design of pension systems. Our theoretical framework predicts that, in society with weak family ties, pensions systems were introduced to act as a safety net, while in societies with strong ties they replicate...

The paper discusses report of The Spellings Commission for Future of Higher Education that was set up to look into the issues facing the higher education system in the U.S., outline the challenges and offer recommendations to tackle the problems. Most importantly, The Spellings Commission Report...

The necessity of constructing a measure of ethnic homogeneity of the population of the different countries is founded. The advantages and shortcomings of different indices used for this purpose are discussed. The indicators according to which the different ethnic communities and groups are...

Due to a last-minute fight among the candidates, Vox, a party at the right end of the Spanish political spectrum, could not run in Santa Cruz de Tenerife, a relatively representative electoral constituency, in the general election of July 23, 2023. Since this fight was a power struggle within...

Due to a last-minute fight among the candidates, Vox, a party at the right end of the Spanish political spectrum, could not run in Santa Cruz de Tenerife, a relatively representative electoral constituency, in the general election of July 23, 2023. Since this fight was a power struggle within...

This paper proposes a network formation model for explaining the stability of tribal societies. The model is supported by the idea that every two members of a tribe should have benefited from being connected to each other in order for the whole tribe to be stable. It also considers the...

The evil eye belief is a widespread superstition according to which people can cause harm by a mere envious glance at coveted objects or their owners. This paper argues that such belief originated and persisted as a useful heuristic under conditions in which envy was likely to trigger...

I study the cultural transmission of fertility preferences among second generation immigrant women observed in U.S. Censuses from 1910 to 1970. As hypothesized by Bisin & Verdier (2001), the transmission of preferences can be "vertical" or "horizontal." Using a unique source documenting the...