Purpose – The purpose of this paper is to demonstrate with real data the enhanced statistical power of a GLS-based event study methodology that requires the same input data as the traditional tests. Design/methodology/approach – The paper uses full sample, subsample and simulated modified...

Purpose To review and address current approaches and limitations to modeling change over time in social entrepreneurship research. Methodology The article provides a narrative review of different practices used to assess change over time. It also shows how different research questions require...

Modern portfolio theory dates back to the work of Markowitz (1952), when he firstintroduced the concept of efficient portfolio selection, suggesting that there is onlyone combination of shares that would maximise an investors returns for a givenlevel of risk. Since this introduction, portfolio...

Investment analysts have long been preoccupied with the idea of predicting future returnsbased on historic share price performance or company values. To this end, Fama andFrench (1992) found in their acclaimed study of U.S. markets that for the period 1963 to1990, market capitalisation (size)...

Purpose – The purpose of this paper is to conduct an empirical analysis of the trading performance of US corporate insiders. Design/methodology/approach – Based on the volume weighted average price (VWAP), the authors propose a metric to measure the trading performance of US corporate...

Purpose – Since the financial services industry in India has reached a level of maturity in terms of products and quality of delivery of services and the advent of foreign players, there has been a virtual war for talent among the premier stock broking companies in India and, it is observed...

Purpose – This study empirically examines whether there is an anomalous factor return to a stock's Honest EPS. Design/methodology/approach – Honest EPS captures any large discrepancy between a company's primary earnings per share and the company's Pro‐forma earnings per share, normalized...