Essays in Behavioral Finance

Abstract : This thesis is made of three distinct chapters. In the first chapter, I test whether the display format of financial information matters for the individual investor. I find that a more efficient information display allows investors to increase returns on their limit orders, because it becomes easier for them to mitigate the risk of adverse selection when trading with those orders. My findings suggest that retail investors have bounded rationality. In the second chapter I test whether liquidity provision to the market can be a profitable strategy, after fees, for active retail investors. I find that only individuals ranked in the top decile of performance can persistently beat the market using highly contrarian limit order strategies. Limits-to-arbitrage seem to explain why these top retail investors exploit trading opportunities before other more sophisticated arbitrageurs. In the third chapter, I study the retail trading strategies around stock earnings announcements. I find that round-trips started one day before an announcement are more profitable and much shorter in duration than those started during the non-announcement period. Retails reverse their winning trades on the event date, which can slow down the adjustment of prices to new information.
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Submitted on : Thursday, November 13, 2014 - 2:52:16 PM
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Hedi Benamar. Essays in Behavioral Finance. Business administration. HEC, 2014. English. ⟨NNT : 2014EHEC0004⟩. ⟨tel-01082424⟩

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