This article investigates the return behaviorof privatization initial public offerings (PIPOs) in Europe over both theshort- and long-run horizons. Using data from a sample of 162 PIPOs over theperiod 1986-2008, we show that European PIPOs outperform, in terms ofrisk-adjusted abnormal returns, a benchmark market index and a portfoliocomposed of 162 European private IPOs, regardless of the horizon of analysis.Our results are important for both investors and policymakers with respect totheir investment and privatization decisions, and also allow a betterunderstanding of the financial performance behavior of the privatizedstate-owned enterprises.

Purpose Risk governance has an important influence on the hedging performances in option pricing and portfolio hedging in both discrete and dynamic case for both conventional and Islamic indexes. The paper aims to discuss these issues. Design/methodology/approach This paper explores option pricing and portfolio hedging in a discrete and dynamic case with transaction costs. Monte Carlo simulations are applied to both conventional and Islamic indexes in US and UK markets. Simulations show that conventional and Islamic assets do not exhibit the same price and portfolio hedging strategy governance. Findings The authors conclude that Islamic assets show different option price and hedging strategy compared to their conventional counterpart. Originality/value The research question of this paper aims at filling the gap in the empirical literature by exploring option price and hedging structure for both conventional and Islamic indexes in US and UK stock markets.

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