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IPO underpricing and sentiment of investors
Scheerová, Lucie ; Dědek, Oldřich (advisor) ; Lupusor, Adrian (referee)
The thesis investigates investor sentiment, proxied by grey market prices, being a common source for IPO underpricing, long-term underperformance of IPOs, and cycles in IPO volume. The paper contributes to the field of research by an updated German dataset from 2000 to 2010, and by investigating all main IPO market anomalies together with their common trigger. The results show evidence of a positive relationship between the investor sentiment and IPO underpricing, indicating the investor sentiment being an explanation for it. Moreover, the study shows investor sentiment being positively linked to offer prices - an evidence of issuers exploiting that sentiment. However, the long-term underperformance relative to the aftermarket price of IPOs from high underpricing periods - another evidence of investor sentiment being a source for IPO underpricing - has not been confirmed. Other hypotheses have also not been verified. They include higher IPO volume following high underpricing periods and long-term underperformance relative to the offer price of IPOs from high underpricing periods. Both these hypotheses would represent another confirmation of firms exploiting the investor sentiment. The statistically significant results are consistent with other papers. The insignificance might have been caused by the method...
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IPO underpricing and sentiment of investors
Scheerová, Lucie ; Dědek, Oldřich (advisor) ; Lupusor, Adrian (referee)
The thesis investigates investor sentiment, proxied by grey market prices, being a common source for IPO underpricing, long-term underperformance of IPOs, and cycles in IPO volume. The paper contributes to the field of research by an updated German dataset from 2000 to 2010, and by investigating all main IPO market anomalies together with their common trigger. The results show evidence of a positive relationship between the investor sentiment and IPO underpricing, indicating the investor sentiment being an explanation for it. Moreover, the study shows investor sentiment being positively linked to offer prices - an evidence of issuers exploiting that sentiment. However, the long-term underperformance relative to the aftermarket price of IPOs from high underpricing periods - another evidence of investor sentiment being a source for IPO underpricing - has not been confirmed. Other hypotheses have also not been verified. They include higher IPO volume following high underpricing periods and long-term underperformance relative to the offer price of IPOs from high underpricing periods. Both these hypotheses would represent another confirmation of firms exploiting the investor sentiment. The statistically significant results are consistent with other papers. The insignificance might have been caused by the method...
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Overoptimism - implications for law and economics
Lišková, Adéla ; Vostrovská, Zdenka (advisor) ; Stroukal, Dominik (referee)
The bachelor thesis focuses on one of the behavioral biases - optimism bias or overoptimism - which existence is documented in findings of behavioral economics. The thesis introduces behavioral economics as an economic movement criticizing neoclassical economic theory, put oveoptimism in the broader context of its findings and further demonstrates the consequences of overly optimistic expectations in selected areas of human decision-making which deals with the economic analysis of law in contrast to the conclusions which can be arrived by assuming rational agent. In the context of approach of Chicago Law and Economics, based on neoclassical economic theory, and by assuming a perfectly competitive market, the thesis concludes that while in case of rationality the maximum efficiency is achieved by internalization of externalities, overoptimism cause a deviation from the optimum even if externalities are internalized.
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