This paper analyzes the founding rates of two types of Jewish agricultural cooperatives, the moshav and the kibbutz, to show how political ideology intersects with resource requirements to produce competition and mutualism between organizations. These two populations, which share ideology and a...

Using data collected from a sample of 50 academic departments over the years 1977–88, the authors test several hypotheses about the effects of departmental gender composition on faculty turnover. They find that as the proportion of women in a department grew, turnover among women also...