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This thesis presents five empirical papers investigating the issue of arbitrage trading of the FTSE 100 stock index futures. The first paper explores the effects of nonsynchronous trading on the spot index and develops a new technique as well as improving current methodologies for removing them. Studies in U. S. have shown that if the problem of non-synchronous trading is severe, the reported spot index is not reliable affecting the correct pricing of futures contracts. The second paper investigates the elasticity of supply of arbitrage in the futures market and the ability of the spot and the futures markets to respond to new information. It shows that arbitrage trading is initiated when spot prices largely drift apart from the futures prices. In addition, the futures prices tend to uncover new information before the spot prices, although this relationship is not stable over time. The analysis incorporates all possible channels of information to the -markets, which previous research fails to consider. The third paper analyses the behaviour of the deviation of the actual futures price from its theoretical value. Although this deviation is seen to have decreased its size over the years, it is still significant and persistent. Furthermore, it cannot be explained by the tax-timing option on pricing the futures or the effects of nonsynchronous trading. The fourth paper examines the presence, size and frequency of the profitability of the observed arbitrage opportunities by applying different transactions costs bounds to account for different classes of traders. After applying trading simulations arbitrage profitability is found to be frequent and significant, despite the fact that its size has decreased over the years. Finally, the thesis concludes with the fifth empirical paper which investigates the impact of futures trading on the spot and futures market volatility. It finds that arbitrage increases spot and futures price volatility but a volatile market brings the two markets closer on the whole, the thesis shows that although profitable arbitrage opportunities are not present in the long-run, they are not quickly removed in the short-run, allowing the spot and futures prices to drift apart.

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This study investigates stock market anomalies in the Kuala Lumpur Stock Exchange (KLSE), Malaysia, with some comparisons with three other Far-Eastern markets, namely the Stock Exchange of Singapore (SES), the Stock Exchange of Thailand (SET) and the Stock Exchange of Hong Kong (SEHK). The main anomaly investigated is overreaction in the KLSE. Seasonality and firm size effects, which are usually associated with the overreaction effect, are also examined individually, and in the context of the overreaction effect. The impact of time-varying risk on overreaction is also investigated. First, stock market seasonality across four markets - KLSE, SES, SET and SEHK- is examined. The evidence suggests the existence of December and January effects in Singapore and Hong Kong respectively. A Chinese New Year effect is observed in all countries except Thailand. Next, stock market overreaction in the KLSE is investigated. Two portfolios of extreme stocks (based on their past 3-year excess returns) are formed, and their performance is measured in the next three years for evidence of overreaction. The initial results are consistent with overreaction; winner (loser) portfolios, which outperform (underperform) the market in the prior period, underperform (outperform) the market in the next period. The reversal in performance is more dramatic for losers. Further analyses show that risk and size factors cannot explain fully the observed phenomenon. A seasonal pattern is revealed in the excess returns of winners and losers; there is a pronounced February effect in both. Moreover, the February effect is observed to be greater for smaller firms. Lastly, a post-script chapter is included whereby the effect of the recent Asian economic turmoil on the markets, and on KLSE overreaction, is looked at. It is found that several months into the crisis, both winners and losers underperform the market.

This thesis investigates statutory executive stock option (ESO) disclosures by Australian listed companies, and their nature, extent and association with governance characteristics. The study is motivated by the limited prior Australian studies that find evidence of low levels of compliance with ESO disclosures (Nelson and Percy, 2005), and by the changes in Australia's regulatory environment over the financial years 2001 to 2004. Arising from these motivations, three research questions are addressed: 1) what is the nature and extent of compliance with ESO disclosures in annual reports and does it change over time?, 2) how does corporate governance influence compliance with ESO disclosures?, and 3) what other factors influence compliance with ESO disclosures? Based on prior research and an application of agency theory, the research questions are addressed by systematically evaluating ESO disclosure compliance, and by modelling and testing the governance and other factors associated with companies' disclosure practices over the 2001 to 2004 study period. Within the agency framework, it is argued that effective governance mechanisms mitigate agency costs by decreasing information asymmetry through increased disclosure. Hence it is predicted that internal governance mechanisms, including the effectiveness of the board of directors, the effectiveness of the audit committee, the existence of a compensation committee, and management incentives are associated with the level of compliance with ESO disclosures. In addition, external governance mechanisms are predicted to influence compliance with ESO disclosures. Specifically, it is predicted that firms responded positively to the increased media and regulatory scrutiny on financial reporting practices as a result of major corporate collapses in Australia and the United States. Furthermore, it is predicted that regulatory intervention, in the form of new and comprehensive ESO disclosure requirements, as well as the authoritative guidance on valuing options and active enforcement efforts by ASIC, have contributed to increased levels of compliance. Using a combination of univariate and multivariate procedures, compliance and governance characteristics are tested over the financial years 2001 to 2004, to capture the changes in compliance over time and to examine the hypothesised relationships. The results of this thesis indicate that Australian companies do not fully comply with ESO disclosure requirements. Nevertheless, the results show that overall compliance has increased progressively from 2001 to 2004, suggesting that the increased scrutiny of companies' financial reporting practices following major corporate collapses has motivated companies to increase compliance. Notably, compliance has increased after the introduction of new and more comprehensive disclosure requirements for ESOs, as well as increased authoritative guidance and enforcement efforts by ASIC. However, despite the overall evidence of improvement in compliance levels, the results continue to reveal management's reluctance to disclose ESO information that may be considered sensitive (for example, price and value-related information). The multivariate results indicate that firms with a larger board of directors and a larger audit committee are more likely to encourage greater levels of compliance with ESO disclosures. However, a larger board of directors appears to take a holistic approach to monitoring company activities by encouraging higher overall compliance rather than focusing on specific, sensitive disclosures. Where a less independent Chairperson is present, the firm is more likely to disclose more sensitive information only, indicating a substitution effect whereby firms mitigate the agency problems associated with this lack of independence by increasing sensitive disclosures. Also, where the Chief Executive Officer's remuneration is relatively larger, companies are less forthcoming about ESO information. With respect to the influence of external corporate governance, the findings indicate that companies identified as poor performers by the Australian Shareholders' Association (a measure of external governance) exhibit lower levels of overall compliance, but not compliance with sensitive disclosures. This latter finding suggests that poorly performing firms provide similar levels of sensitive and important information as other firms, possibly to direct attention away from the low performance of the company. Consistent with prior disclosure research, other factors associated with compliance include leverage, where firms that are more highly leveraged disclose more sensitive information in an effort to become more transparent to creditors, thus reducing their monitoring costs. The use of a Big 4 auditor (a proxy for auditor quality) is associated with overall compliance, which indicates that external auditors primarily ensure that the financial report as a whole is compliant with the regulations, rather than identifying sensitive disclosures in detail, particularly where these disclosures may not have a material effect. Lastly, performance (as measured by profit or lossmaking status) is negatively associated with compliance. By investigating in detail the nature and extent of compliance with ESO disclosures over time and its relation to governance characteristics, the findings of this study demonstrate that while companies appear to lack full compliance with ESO disclosures, compliance has increased over time with active regulatory enforcement and assistance and comprehensive disclosure requirements. Of particular interest, is that the nature of compliance illustrates the very low levels of compliance with important, but sensitive, components of the required ESO disclosures. Importantly, the adoption of stronger governance structures appears to enhance compliance with ESO disclosures, including sensitive disclosures. Therefore, the findings of this study have important implications for corporate regulators, standard setters, financial statement preparers, shareholders and other users of financial reports with an interest in ESOs.

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Thesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, Discipline of Environmental Biology, 2006. / "January 2006" Bibliography: pages 188-209. Also available in print form.

Thesis (Ph. D.)--UCLA, 2008. / Vita. Includes bibliographical references (leaves 129-134).

Thesis (Ph. D.) -- Lincoln University, 2009. / Also available via the World Wide Web.