and others in specialization. Our theory throws light on the nature of hierarchy, the optimal degree of decentralization …

If promotion in a hierarchy is based on a random signal of ability, rates of promotion will be affected by risk …-taking. Further, the numbers and abilities of risk-takers and non-risk-takers will be different at each stage of the hierarchy, and …

In a labor market hierarchy, promotions are affected by the noisiness of information about the candidates. I study the … higher survival rate. Further, even if more risk takers than non risk takers are promoted in the beginning of the hierarchy …

Naively present-biased agents are known to be severe procrastinators. In team settings, procrastination can represent a … form of free-riding that, in excess, can jeopardize a team's ability to meet a deadline. Here we show how naivete and … present bias, despite their reputations, can be desirable traits in a teammate, enabling a team to optimize its performance …

perspectives: (1) individual level (the degree to which team members specialize vs. work as generalists), (2) activity level (the … degree to which activities are concentrated among few team members vs. distributed among many) and (3) the intersection … explore team-based knowledge production using a newly available type of data – the disclosures of author contributions on …