We draw on Ricardian comparative advantage between distinct persons to map out the division of labor among proto-humans in a village some 1.7 million years ago. A person specialized in maintaining a cooking fire in the village is of particular interest (Ofek [2001]). We are also interested in...

We analyze the classic problem of sustaining trust when cheating and leaving trading partners is easy, and outside enforcement is difficult. We construct equilibria where individuals are loyal to smaller groups – communities – that allow repeated interaction. Hierarchies provide incentives...

The adoption of agriculture, some 10,000 years ago, triggered the first demographic explosion in human history. When fertility fell back to its original level, early farmers found themselves worse fed than the previous hunter-gatherers, and worked longer hours to make ends meet. I develop a...

Firms in modern western world are often said to encourage people to prioritize work over family life. This imbalance, some personnel psychologist claim, causes tension and unhappiness. The story, however, is not new. Something very similar happened during the shift from hunting and gathering to...

The shift from hunting and gathering to agriculture, some 10,000 years ago, triggered the first demographic explosion in history. Along with population, working time increased, while food consumption remained at the subsistence level. For that reason, most anthropologists regard the adoption of...

We draw on Ricardian comparative advantage between distinct persons to map out the division of labor among proto-humans in a village some 1.7 million years ago. A person specialized in maintaining a cooking fire in the village is of particular interest (Ofek [2001]). We are also interested in...

This paper presents results from an experiment designed to study the effect of self reporting risk preferences on strategy choices made in a subsequently played 2x2 coordination game. The main finding is that the act of answering a questionnaire about one's own risk preferences significantly...

This paper studies the social value of public information in environments without common knowledge of the data-generating process. We show that the stronger the coordination motive behind agents' behaviour is, the more they use private or public signals in the way that they suspect others are...