Purpose – The purpose of this paper is to examine the contemporaneous relationship between changes in corporate reputations and stock prices. Design/methodology/approach – The Harris Interactive Reputation QuotientTM is used as a measure of corporate reputation. Stock return and risk...

Purpose – The purpose of this paper is to investigate and compare the weak-form efficiency of a set of 24 African continent-wide stock price indices and those of eight individual African national stock price indices. Design/methodology/approach – Variance-ratio tests based on ranks and signs...

Purpose – The purpose of this paper is to investigate whether cumulative voting can help ease the conflicts between board of directors and minority shareholders. Design/methodology/approach – The authors use voting result of shareholder proposals as an indicator of the level of conflicts...

Purpose – The purpose of this paper is to examine positive-feedback (PF) behavior and its relationship to momentum profitability and information uncertainty. Design/methodology/approach – Using the behavioral function of rational traders and feedback traders, the authors jointly estimate the...

Purpose - The purpose of this paper is to re-examine the relationship between real investment and stock prices for the USA for 1960-2005 in view of distinct economic regimes during the 40-year period. Design/methodology/approach - The paper employs simple models of investment, checks for...

Purpose – This paper aims to investigate whether completed vs withdrawn equity offerings result in different stock price performance prior to announcement and between announcement and withdrawal or completion. Design/methodology/approach - Investigates stock price performance prior to equity...

Purpose -The purpose of this paper is to examine stocks that are most actively discussed by online posters and see if the messages posted about these stocks have information or if they are just noise. Design/methodology/approach - This study uses messages posted on TheLion.com, which reports a...

Purpose – Taiwan OTC market is an electronic, order driven, call market. The purpose of this paper is to gain understanding of whether trade size or number of transaction provides more information on explaining price volatility and market liquidity in this market. The paper also aims to...

Purpose -Many papers have argued that there are long-run downward-sloping demand curves (LRDDC) for stocks. The purpose of this paper is to analyze this hypothesis using a new, unique, and ostensibly information-free event: the re-weighting of the Standard & Poor (S&P) 500 index from market...

Purpose – The purpose of this paper is to propose a new method for estimating continuous-time stochastic volatility (SV) models for the S&P 500 stock index process using intraday high-frequency observations of both the S&P 500 index and the Chicago Board Options Exchange (CBOE) implied (or...