Multiple natural experiments of large jackpot lotteries in Taiwan are used to document a substitution effect between individual investor trading and lottery buying. We establish five key findings. First, when the jackpot exceeds 500 million Taiwan dollars (about 15 million U.S. dollars), the...

The most important factor that affects the decision making process in finance is the risk which is usually measured by variance (total risk) or systematic risk (beta). Since investors' sentiment (whether she is an optimist or pessimist) plays a very important role in the choice of beta measure,...

In the stock trading community, a recent growth in number of traders, especially young ones, is quite visible and more and more investors are trying to find one turnkey tool that can work for rookie traders as well as seasoned professionals. The purpose of this research is to analyze one of the...

At today's stock markets, most of the trading volume is traded electronically. Thus, also many market participants execute their order flow automatically with the help of trading algorithms. Hence, several important aspects concerning algorithmic trading are discussed. One of the main topics of...

This paper reexamines the dynamic relation between intraday trading volume and return volatility of large and small NYSE stocks in two partitioned samples, with and without identifiable public news. We argue that the sequential information arrival hypothesis (SIAH) can be tested only in periods...

Untersuchungsziel dieser finanzwissenschaftlichen Arbeit ist die Wirkung einer Tobin-Steuer als spezielle Transaktionssteuer auf das Devisen-Handelsvolumen und die Wechselkursvolatilität. Ausgangspunkt bildet das mikroökonomische Investitionsverhalten der Marktteilnehmer, das wir mit Hilfe von...

When a stock is added into the S&P 500 Index, it is automatically "cross-listed" in the index derivative markets (i.e., S&P 500 Index futures and Index options). I examined the effects of such cross-listing on the trading volume and return volatility of the underlying component stocks....

The paper develops an approach for analyzing the dynamics of a nonlinear time series that is represented by a nonparametric estimate of its one-step ahead conditional density. The approach entails examination of conditional moment profiles corresponding to certain shocks; a conditional moment...

The essays empirically show the impact of investors speculation and disagreements on the returns and trading volume of securities. The results also shed light on the central issues of price formation and investors’ trading motives in security markets.The first essay investigates whether the...

In this thesis, I investigate diverse aspects of capital market efficiency in selected emerging markets. In chapter 2, the focus of analysis is on the role of trading volume and capitalisation in the process of information absorption by the stock prices. Empirical analysis is conducted for...