In this paper, I develop a model of oligopoly with shareholder voting. Instead of assuming that firms maximize profits, the objective of the firms is decided by majority voting. This implies that portfolio diversification generates tacit collusion. In the limit, when all shareholders are...

The share of stocks beneficially owned by institutional investors has increased substantially over the last three decades. Together with a high and increasing level of concentration in the asset management industry, this trend implies that a small number of institutional investors now constitute...

A fast-growing legal literature commenting on a set of empirical papers alleging anticompetitive effects of common ownership claims that the reported effects, if true, would imply that corporate executives violate their fiduciary duty: whereas acting in the interest of common owners can help...

This internet appendix complements the paper "Anticompetitive Effects of Common Ownership" and is organized as follows: Section I outlines a model of competition under common ownership that yields the network density measure of common ownership concentration we use in the empirical analysis. The...

We document substantial time-series and cross-sectional variation in branch-level deposit account interest rates, maintenance fees, and fee thresholds, and examine whether variation in bank concentration helps explain variation in these prices. HHI alone is not correlated with any of the outcome...

We study optimal security design when issuer and market participants disagree about the characteristics of the underlying asset. We show that pooling and tranching assets can be preferable to selling optimal securities backed by individual assets: pooling can be a response to belief disagreement...

We provide a model that can explain empirically relevant variations in confidence and risk taking by combining horizon-dependent risk aversion (“anxiety”) and selective memory in a Bayesian intrapersonal game. In the time series, overconfidence is more prevalent when actual risk levels are...

Inspired by experimental evidence, we amend the recursive utility model to let risk aversion decrease with the temporal horizon. Our pseudo-recursive preferences remain tractable and retain appealing features of the long-run risk framework, notably its success at explaining asset pricing...

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals or households can be both consumers and shareholders, the impact of market power on inequality depends in part on the relative distribution of consumption and corporate equity...

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals or households can be both consumers and shareholders, the impact of market power on inequality depends in part on the relative distribution of consumption and corporate equity...