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Abstract: Using a broad panel of NYSE-listed stocks between 1983 and 2004, we study the relation between institutional shareholdings and the relative informational efficiency of prices, measured as deviations from a random walk. Stocks with greater institutional ownership are priced more efficiently, and we show that variation in liquidity does not drive this result. One mechanism through which prices become more efficient is institutional trading activity, even when institutions trade passively. But efficiency is also directly related to institutional holdings, even after controlling for institutional trading, analyst coverage, short selling, variation in liquidity, and firm characteristics.
G12, G14
Abstract: Using a broad panel of NYSE-listed stocks between 1983 and 2004, we study the relation between institutional shareholdings and the relative informational efficiency of prices, measured as deviations from a random walk. Stocks with greater institutional ownership are priced more efficiently and we show that variation in liquidity does not drive this result. One mechanism through which prices become more efficient is institutional trading activity, even when institutions trade passively. But efficiency is also directly related to institutional holdings, even after controlling for institutional trading, analyst coverage, short selling, variation in liquidity, and firm characteristics.
market efficiency, institutional investors, institutional trading, market quality
Abstract: The percentage of U.S. equity held by institutional investors has quadrupled in the past four decades, and a prominent share of trading activity is due to institutions. Yet we know little about how institutions affect the informational efficiency of share prices, one important dimension of market quality. We study a broad cross-section of NYSE-listed stocks between 1983 and 2004 using measures of the relative informational efficiency of prices constructed from transaction data. We find that stocks with greater institutional ownership are priced more efficiently in the sense that their transaction prices more closely follow a random walk. This result cannot be attributed to liquidity effects and is not likely the result of reverse causality. We also show that institutional trading activity is one mechanism by which prices become more efficient, even when institutions trade passively or follow momentum strategies.
Abstract: Reversal is the current stylized fact of weekly returns. However, the brief reversal that follows extreme weekly returns is itself followed by an opposing and long-lasting stream of continuation in returns. These subsequent momentum profits are strong enough to offset the initial reversal and to produce a significant momentum effect over the full year following portfolio formation. Thus, ex post, extreme weekly returns are not too extreme. Our findings extend to weekly price movements with and without public news. In addition, there is no relation between news uncertainty and the momentum in one-week returns.
weekly stock returns, momentum, reversal, news
Abstract: In spite of the growing research concerning investor protection, the relation between investor protection and real investment by foreign multinationals is largely unexplored. Recognizing this relation, however, is especially important in light of the surge in cross-border activity in recent decades and the potential impact cross-border investment can have on a country's economic development. We find that U.S. multinational foreign investment is significantly greater both when shareholder protection is poor and when creditor protection is poor. Consistent with existing literature, our results suggest that U.S. firms have greater comparative advantages when local firms in poor investor protection countries either (1) invest sub-optimally due to agency problems or (2) have constrained access to debt capital. The increased investment by U.S. multinationals in poor investor protection countries is of particular interest, because it suggests an important way in which adverse outcomes related to poor investor protection may be mitigated.
Investor protection, corporate governance, multinationals, cross-border investment
Abstract: The percentage of U.S. equity held by institutional investors has quadrupled in the past four decades, and a prominent share of trading activity is due to institutions. Yet we know little about how institutions affect the informational efficiency of share prices, one important dimension of market quality. We study a broad cross-section of NYSE-listed stocks between 1983 and 2003, using measures of the relative informational efficiency of prices constructed from transaction data. We find that stocks with greater institutional ownership are priced more efficiently in the sense that their transaction prices more closely follow a random walk. Moreover, efficiency improves following exogenous shocks in institutional ownership. Finally, we demonstrate that increases in actual institutional trading volume are associated with greater efficiency, an effect that appears to be distinct from the effect associated with cross-sectional differences in institutional holdings.
Market efficiency, institutional investors, asset pricing
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