Using CFTC's COT data, both GARCH and PARCH volatility based models found the lagged volatility and news about volatility from the previous month to be significant in explaining large hedgers' and speculators' volatility. The greater reliance on the ARCH term for speculators' suggested their...

In assessing drivers of commodity prices and volatility at this stage of the current super-cycle in commodities (year 12 of a projected 25), it is vital to understand that production cost is a fundamental. Moreover, marginal production costs are among the most powerful drivers of commodity...

The paper develops a price discovery model for commodity futures markets that accounts for two forms of limits to arbitrage caused by transaction costs and noise trader risk. Four market regimes are identified: (1) effective arbitrage, (2) transaction costs but no noise trader risk, (3) no...

To compare the impact of fundamental news with the publication of traders' positions in an event study framework, a generalized autoregressive conditional heteroscedasticity (GARCH) model with t-distributed error terms is applied to corn, soybean, and wheat futures returns from January 1996 to...

This study performs a cross-country comparison by examining the large samples of merger and acquisition (M&A) activity in emerging markets (EMs). The underlying purpose is to investigate how market investors react to the M&A deals conducted by acquiring firms with different degrees of corporate...

This study investigates the response of stock prices and equity options to negative ESG incidents reported by RepRisk for S&P 500 companies between 2006 and 2021, considering the increasing significance of ESG ratings among fund managers and the widespread utilization of financial derivatives by...

This paper focuses on the effects of political uncertainty and the political process on implied stock market volatility during U.S. presidential election cycles. Using monthly Iowa Electronic Markets data over five elections, we document that stock market uncertainty, as measured by the VIX...

Market efficiency is examined in three forms: weak form, semi-strong form and strong form and each one deals with a different source of information. 1. Weak form efficient market - the prices of securities fully reflect all historical information and no excess returns can be earned by utilising...

This paper examines stock market reaction to the earnings announcements by taking December 2001 quarter earnings announcement as an event. The study is based on 152 companies having minimum 20 percent foreign holdings. The companies are divided into, good news, bad news and overall portfolios....