We investigate whether and how multinationality affects the opaqueness of the firm. We use multiple alternative measurements of multinationality and opaqueness. Spanning nearly three decades for a large sample of US non-financial firms, we find a statistically and economically significant,...

We analyze the importance of personal attributes in explaining the performance of reported share transactions by corporate insiders. While prior literature has focused on observable firm and trade characteristics, little effort has been made to understand how individual attributes, such as...

This study undertakes the challenging task of comparing the weak form efficiency of conventional and Islamic equity markets. Using 12 different Dow Jones indexes that cover 16 years of daily data, we compare the time-varying non-linear predictability patterns of conventional market indexes and...

Utilizing firm-specific news sentiment data provided by Thomson Reuters News Analytics, I construct aggregate measures to examine the relationship between news sentiment and stock market returns over the period 2004–2010. I find a highly significant relationship between aggregated measures of...

We investigate whether liquidity introduces or helps resolve uncertainty in Phase I and the first year of Phase II of the European carbon futures market. We propose a distinction between ‘absolute’ or overall liquidity and that which is ‘relative’ to a benchmark. For this purpose, we...

This study investigates the long-memory property and the fractionally cointegration between absolute changes in observed stock prices and implied stock prices from option pricing model. We find a stylized fact that absolute price movements in stock and option markets are characterized by long...

Textual analysis is performed in a total of 13145 high frequency (intraday) news: 6536 news from the Dow Jones Newswires and 6609 news from the Thomson Reuters Newswires. Selected news are Euro-periphery (Portugal, Ireland, Italy, Greece, Spain) crisis-related news which contain a number of...

I derive the price function of securities that can be pledged as collateral, in an economy where rational investors are privately informed. Although the payoffs of borrowers and lenders have truncated distributions, the linear equilibrium is unique and has an analytic solution. Such result...

This paper investigates resiliency to provide a dynamic perspective on liquidity. We define resiliency as the rate of mean reversion in liquidity. Resiliency increases with the proportion of patient traders, decreases with order arrival rate, and increases with tick size; providing strong support...

[Part I] This comprehensive work brings together rigorous scholarship on the events of 9-11-2001, and assesses whether the truth has been told by the U.S. government. The volume can be seen as a definitive explanation of 9-11 as a world-changing event. The lead chapter demonstrates that eleven...