Size-discovery mechanisms allow large quantities of an asset to be exchanged at a price that does not respond to price pressure. Primary examples include ``workup'' in Treasury markets, ``matching sessions'' in corporate bond and CDS markets, and block-trading ``dark pools'' in equity markets....

Have post-crisis reforms purged mortgage markets of adverse selection? I show that loans synthetically sold by Fannie Mae through Credit Risk Transfers are ex post riskier, controlling for observable quality, than those they keep on balance. Transfers that go unreported on public data are...

We examine the influence of common ownership on commonalities in the information environment. Specifically, we study commonalities in financial statements and in the actions of key agents such as financial analysts and firm managers who contribute and respond to the information environment....

Scholars and antitrust enforcers have raised concerns about anticompetitive effects that may arise when institutional investors hold substantial stakes in competing firms. Their concern rests on empirical evidence that such common concentrated ownership is associated with higher prices and lower...

Partial ownership of stock in multiple competing firms is an important scholarly and policy topic in both corporate and antitrust law. Until now, the discussion has focused on ownership. This essay shifts the debate from a focus on common ownership to a focus on common control. No prior work has...

How competition affects product quality and how product quality choices impact firms' operating performance are open empirical questions. We use a setting that is especially suitable to answering these questions: cryptographic exchanges, on which product quality is inversely related to fake...

This paper analyses the impact of common ownership on markups and innovation and adds to the discussion of the recently observed patterns of a long term rise in market power. We shed light on the inconclusiveness of results regarding the effects of common ownership on markups in the existing...