of uncertainty. I introduce the idea that, with stochastic demand, an increase in the heterogeneity of products also … leads to a decrease in the correlation of the firms? demand shocks. With imperfect monitoring, this makes collusion more … difficult to sustain, as discriminating between random demand shocks and marginal deviations from the cartel strategy becomes …

supply, demand, or the aggregate price level. Certain sales are traditional and so well publicized that it is difficult to …

assumption behind the well-established technique of relying on exogenous demand perturbations to empirically distinguish between …

of high excess capacity (low demand). In contrast to the supergame-theoretic literature, it predicts a negative …

to assess the impact of relaxing constraints on patient choice. We estimate a demand model to evaluate whether increased … choice increased demand elasticity faced by hospitals with regard to clinical quality and waiting time for an important … benefits. We find increased demand responsiveness led to a significant reduction in mortality and an increase in patient …