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...

We show that institutions invest in stocks within an industry that maintain exposure to their underlying industry risk factor. These "pure play" stocks have greater numbers of institutional investors and institutions systematically overweight them in their portfolios while underweighting low...