This paper studies the impact of diversity in cognitive ability among members of a team on their performance. We … variation in - otherwise random - team composition is imposed by assigning individuals to teams based on their measured … complex decision-making. We propose a model in which greater ability dispersion generates greater knowledge for a team, but …

One of the most salient and relevant dimensions of team heterogeneity is ethnicity. We measure the impact of ethnic …. We find that a moderate level of ethnic diversity has no effect on team performance in terms of business outcomes (sales …, profits and profits per share). However, if at least the majority of team members is ethnically diverse then more ethnic …

competition, akin to the competition in wholesale electricity markets. An acute form of market power may arise if a supplier is …

competition for the factor used intensively by exporters, eliminating some of them, while non-exportersbenefit. Interacting … heterogeneity in factor shares with heterogeneity in TFP we show that factor market competition reduces the growth in average TFP …