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Dissecting Arbitrage Costs, F. Y. Eric Lam, Chishen Wei, K. C John Wei
Dissecting Arbitrage Costs, F. Y. Eric Lam, Chishen Wei, K. C John Wei
Research Collection Lee Kong Chian School Of Business
This paper systematically examines the impact of nine popular arbitrage costs measures on cross-sectional mispricing based on ten well-known and robust anomalies. We show that binding arbitrage barriers slowly change over time. In early years with few publications documenting return anomalies, arbitrage costs have tiny impact even though mispricing is present. As anomalies become more widely known, arbitrage costs impact mispricing substantially. Arbitrage risk, ambiguity of fundamental value, round-trip broker’s commission plus bid-ask spreads, and stock loan supply are binding on arbitrageurs. Only arbitrage risk is binding if larger cap stocks are emphasized. In recent years when market quality improves …