Today's predominant disclosure philosophy calls for the fulldisclosure of all decision relevant information bycompanies. More publicly available information, theargument goes, limits the adverse selection problem by reducinginformation asymmetry among heterogeneous investors. Thus, theliquidity...

This thesis addresses the high-frequency price formation in the European Union Emissions Trading Scheme (EU ETS). In particular, it deals with high-frequency price reactions of European Union Allowances (EUAs) to scheduled macroeconomic and regulatory announcements. The work incorporates several...

Wirtschaftsprognosen sollen die Unsicherheit bezüglich der zukünftigen wirtschaftlichen Entwicklung mindern und Planungsprozesse von Regierungen und Unternehmen unterstützen. Empirische Studien bescheinigen ihnen jedoch in aller Regel ein unbefriedigendes Qualitätsniveau. Auf der Suche nach...

Much research has investigated the differences between option implied volatilities and econometric model-based forecasts. Implied volatility is a market determined forecast, in contrast to model-based forecasts that employ some degree of smoothing of past volatility to generate forecasts....

This study investigates the impact of changes to the New Zealand Exchange's listing rules and legislative amendments to the Securities Markets Act 1988 enacted in December 2002. The reforms provided statutory backing for a more stringent disclosure regime. We find evidence that non-dual listed...

This paper examines the information content of stock option exercises versus regular insider share trades by corporate executives. We argue that the asymmetric payoff structure of options makes managerial wealth - compared to holdings of shares - relatively more sensitive to stock price changes...

Insider trading may convey information to the market and promote accuratepricing of stocks. In this dissertation, I investigate insider trading at the turn of thecentury.In the first essay, I investigate insider trading activity in technology stocks duringthe high price - high volatility period...

This dissertation investigates insider trading around significant corporate information events. Chapter 1 tests the prediction of standard option pricing models that there is no relation between past stock returns and stock option prices. Using individual stock options data, we show that puts...

Šiame darbe yra tiriama „NASDAQ OMX Vilnius“ biržoje kotiruojamų įmonių susijusių asmenų akcijų pirkimo ir pardavimo sandorių įtaką akcijų rinkos grąžai 2005-2008 m. Pirmoje darbo dalyje yra analizuojama prekybos, remiantis vidine informacija, samprata bei jos poveikis...

This dissertation contains three essays that examine the interaction between informedand uninformed parties in securities markets. Given the influential role that informed traders have in shaping securities prices, trading activity, market-wide and even economy wide outcomes, this research...