Purpose–The purpose of this study is to discover and model the asymmetry in the price volatility of financial markets, in particular the foreign exchange markets as the first underlying applications. Design/methodology/approach–The volatility of the financial market price is usually defined...

This paper evaluates the time-varying degrees of weak-form efficiency of the crude oil markets using the Modified Shannon Entropy (MSE) and the Symbolic Time Series Analysis (STSA) approach. Using daily data from May 20, 1987 to March 6, 2012 for two worldwide crude oil benchmarks (West Texas...

Financial basics and intuition stresses the importance of investment horizon for risk management and asset allocation. However, the beta parameter of the Capital Asset Pricing Model (CAPM) is invariant to the holding period. Such contradiction is due to the assumption of long-term independence...

Decline in confidence in free market mechanisms in the past decade has provoked an increase in interest in regulatory issues. This paper seeks to answer one question: Are exchange listing rules an effective screening mechanism? Using a sample of IPO firms listing on major U.S. exchanges in...

This paper investigates the market efficiency of the Malaysian crude palm oil prices using data for the sample period spanning from 1998:01 – 2010:12. The univariate unit root test confirms that all series are non-stationary in their levels. The Johansen multivariate test provides empirical...

The recent financial crisis renewed concerns about a possible destabilizing impact of derivatives trading. Despite a very active research, the question whether or not derivatives tend to destabilize financial markets has not yet been answered to satisfaction. This contribution aims to revise the...

This paper analyzes the equity-portfolio recommendations made by investment newsletters. The dataset spans 17 years, is free of survivor and back-fill biases, and includes the complete recommendations for 153 different newsletters. Overall, there is no significant evidence of superior...

We study the impact of social networks on agents' ability to gather superior information about firms. Exploiting novel data on the educational backgrounds of sell side equity analysts and senior officers of firms, we test the hypothesis that analysts' school ties to senior officers impart...

Recent theoretical approaches have linked shifts in firms' internal funds and investment spending, holding constant underlying investment opportunities. An important impediment to convincing tests of these models is the lack of firm-level data on the relative costs of internal and external...

Innovative new ventures fail if they cannot attract resources needed to commercialise new ideas and inventions. Obtaining external resources is a central issue for nascent entrepreneurs - people who are in the process of starting new ventures. We argue in this paper that, a way to deal with this...