This paper addresses the interplay between unilateralism and multilateralism. I first describe theirrespective stylized facts. I next present a simple, multi-country model with high initial tariffbarriers and with the features that have always been of paramount concern to policymakers,...

This paper reviews the theoretical and empirical literature on the different channels through which blockholders (large shareholders) engage in corporate governance. In classical models, blockholders exert governance through direct intervention in a firm's operations, otherwise known as "voice."...

In most countries, many of the largest corporations are controlled by large shareholders. We show that, under reasonable assumptions, this stylized fact implies that portfolio holdings of U.S. investors should exhibit a home bias in equilibrium. We construct an estimate of the world portfolio of...

The stability of the labor share is a key foundation in macroeconomic models. We document, however, that the global labor share has significantly declined over the last 30 years. This decline was associated with a significant increase in corporate saving, generally the largest component of...

This paper studies the efficient agreements about the dependence of workers' earnings on employment, when the employment level is controlled by firms. The firms ' superior information about profitability conditions is responsible for this form of contract governance. Under plausible assumptions,...

We investigate the importance of ambiguity, or Knightian uncertainty, in executives' decisions about when to exercise stock options. We develop an empirical estimate of ambiguity and include it in regression models alongside the more traditional measure of risk, equity volatility. We show that...