We model a scenario in which there are three types of investors: fundamentalists, speculators, and trend-followers and an intermediary who cares about his reputation. Fundamentalists are rational investors with long horizons who are interested in the dividend stream. Speculators are rational...

We examine whether brokers in order-driven markets possess an information advantage over their customers. We compare the price impact of proprietary trades to customer trades in Borsa Istanbul. We find an asymmetric effect: While proprietary buy trades lead to a significant price response...

We show that three proxies for stock price informativeness, adjusted probability of information based trading (AdjPIN), price non-synchronicity and probability of information-based trading (PIN), decrease significantly due to an enlarged investor base after stock splits. The results are...

This paper examines the effects of the new short selling circuit breaker (SEC Rule 201) on firms with traded options. Over the full compliance period, we show that stocks with traded options react more negatively on short sale restriction trigger days relative to their counterparts without...

In summer 2007, the Securities and Exchange Commission (SEC) published an online tool with information on firms doing business in State Sponsor of Terrorism countries. We take sides with those arguing that for moral reasons, investors will have traded on the information provided in the tool by...

This paper develops a model of rational bubbles where trade of an asset takes place through a chain of middlemen. We show that there exists a unique and robust equilibrium, and a bubble can occur due to information frictions in bilateral and decentralized markets. Under reasonable assumptions,...

We introduce an evolutionary equilibrium asset pricing model with heterogeneous agents who can either act as brokers or hedge funds. Hedge funds can trade on margin, taking short or (leveraged) long positions in the assets. Brokers provide asset loans and credit to margin traders. In any...

In this paper, we analyze the interaction between an incumbent firm's financial contract with abank and its product market decisions in the face of the threat of entry, in a dynamic model.The main results of the paper are: there exists a separating equilibrium with no limit pricing; thelow-cost...