Purpose – Turvey (2007, Physica A) introduced a scaled variance ratio procedure for testing the random walk hypothesis (RWH) for financial time series by estimating Hurst coefficients for a fractional Brownian motion model of asset prices. The purpose of this paper is to extend his work by...

Purpose – This paper seeks to characterize the behavior of the naira/dollar foreign exchange rate series over the period 1999 through 2006 to determine if the process generating the series has long memory which is a special case of fractional Brownian motion. The existence of long memory...

Abstract Many governments, political economists and terrorist experts consider the use of military and police forces as the ultimate way to effectively deter terrorism. The most effective negative sanctions are considered to be military strikes, aggressive actions (including crackdowns, search...

Purpose – The purpose of this paper is to explore direct and indirect effects of pre-venture managerial experience (PVME) on new venture innovation. Using opportunity-costs framework, the following questions are explored: does the entrepreneur's PVME directly affect the extent of innovation in...

Purpose – The main objective of this paper is to analyze the relationship between employees' propensity to innovate and cultivate entrepreneurial aspirations whilst working within an organization. This paper aims to contribute to a better understanding of this interrelation, reflecting from a...

Should governments in developing countries promote private ownership and deregulated prices in noncompetitive sectors? Or should they run publicly owned firms and regulate prices at the expense of rents to insiders? A theoretical model is used to answer these normative questions. The analysis...

Purpose – Within the new public management (NPM) context, this paper aims to examine the inclusion of equity issues in pricing policy development and implementation in the water industry in Australia. Design/methodology/approach – A review of literature relevant to the pricing of water shows...

Purpose – Under the pressure of competition from non‐state‐owned enterprises (non‐SOEs) since the Renovation in 1986, the Government of Vietnam has sought to reform state‐owned enterprises (SOEs) in order to improve their productivity and efficiency. Whilst the theoretical efficiency...

Purpose – The purpose of this paper is to present a synthesis of transnational tendencies in multinational enterprises (MNEs), to theoretically analyse the result and to study whether managers in MNEs have experienced the predicted tendencies. Design/methodology/approach – The synthesis is...