the manoptimal stable mechanism in infinite markets and an infinite-market version of Nguyen and Vohra's existence result … existence of Walrasian equilibria extends to in_nite markets. In a dynamic matching setting, we prove that Pereyra's existence … result for dynamic two-sided matching markets extends to a doubly infinite time horizon. Finally, beyond existence and …

equity markets, and largely subsumes the predictive ability of a broad set of firm characteristics previously shown to be …

The paper studies competition for the market in a setting where incumbents (and, to a lesser extent, neighboring …