Essays on Investor and Broker Behavior in Equity Markets

dc.contributorAalto Universityen
dc.contributor.advisorLof, Matthijs, Dr., Aalto University, Finland
dc.contributor.advisorTorstila, Sami, Dr., Aalto University, Finland
dc.contributor.authorLi, Yijie
dc.contributor.departmentRahoituksen laitosfi
dc.contributor.departmentDepartment of Financeen
dc.contributor.schoolSchool of Businessen
dc.contributor.supervisorSuominen, Matti, Prof., Aalto University, Department of Finance, Finland
dc.description.abstractThis doctoral dissertation studies the behavior of investors and brokers on equity markets. It consists of an introductory chapter and three self-contained essays. The first essay, joint with Matti Suominen, studies the impact of unemployment and its growth on the expected stock market returns both theoretically and empirically using the U.S. data. Our theoretical model predicts that the expected equity return increases with unemployment and unemployment growth, and that the impacts of unemployment and its growth on the expected equity returns reinforce each other. Our empirical evidence supports these predictions, even when alternative measures of unemployment and its growth are used. Additionally, we find that FED tends to smooth the high stock market returns caused by high unemployment and high unemployment growth using various monetary policies, but these FED actions do not drive the stock return predictability of unemployment. The second essay investigates the impact of trader anonymity on unsophisticated liquidity using a novel measure – duration-until-next-unsophisticated-order (DUNUO). I analyze DUNUO following anonymous and non-anonymous trades on Nasdaq Helsinki, where a voluntary post-trade anonymity model was launched. I find that DUNUO is statistically and economically longer after anonymous trades than after non-anonymous trades, suggesting a negative impact of anonymity on unsophisticated liquidity. This essay also shows that the negative impact of anonymity on unsophisticated liquidity decreases with a declining level of information asymmetry. This relationship is robust to alternative measures of unsophisticated liquidity. The third essay, utilizing the same voluntary anonymity model, examines the determinants of brokers' choice for anonymity. This essay shows that, in a market where brokers can choose to reveal or conceal identities in the real-time trade feed on a monthly basis, local brokers and brokers who provide online discount brokerages to retail investors are more reluctant to select anonymity. This essay also provides evidence that the brokers' trading patterns can explain their anonymity choices.en
dc.format.extent20 + app. 120
dc.identifier.isbn978-952-64-0243-7 (electronic)
dc.identifier.isbn978-952-64-0242-0 (printed)
dc.identifier.issn1799-4942 (electronic)
dc.identifier.issn1799-4934 (printed)
dc.identifier.issn1799-4934 (ISSN-L)
dc.opnMenkveld, Albert, Prof., Vrije Universiteit Amsterdam, Netherlands
dc.publisherAalto Universityen
dc.relation.haspart[Publication 1]: Yijie Li and Matti Suominen: Equity Returns, Unemployment, and Monetary Policy
dc.relation.haspart[Publication 2]: Yijie Li: The Impact of Anonymity on Unsophisticated Liquidity and Changing Information Asymmetry
dc.relation.haspart[Publication 3]: Yijie Li: Who Chooses to Trade Anonymously? Trading Patterns, Costs, and Market Reaction
dc.relation.ispartofseriesAalto University publication series DOCTORAL DISSERTATIONSen
dc.revMenkveld, Albert, Prof., Vrije Universiteit Amsterdam, Netherlands
dc.revWan, Kam-Ming, Dr., Hanken School of Economics, Finland
dc.subject.keywordequity returnsen
dc.subject.keywordtrader anonymityen
dc.subject.keywordunsophisticated investoren
dc.titleEssays on Investor and Broker Behavior in Equity Marketsen
dc.typeG5 Artikkeliväitöskirjafi
dc.type.ontasotDoctoral dissertation (article-based)en
dc.type.ontasotVäitöskirja (artikkeli)fi
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