Substantial progress has been made in developing more realistic option pricing models. Empirically, however, it is not known whether and by how much each generalization improves option pricing and hedging. The authors fill this gap by first deriving an option model that allows volatility,...

Which market attracts informed investors prior to extreme informational events? We examine the information embedded in the stock and option markets prior to takeover announcements. Normally, buyer-seller initiated stock volume imbalances are predictors of next-day stock returns and option volume...

Purpose – The purpose of this paper is to apply Maslow's hierarchy of needs to extend the expectation‐confirmation model of information systems continuance (ECM‐IS) to analyze users' continuance intention of social networking services (SNSs). Design/methodology/approach – A survey is...

The economic power of Brazil, Russia, India and China (BRICs) is rapidly increasing, changing the landscape of global economics and politics. Top scholars of international business address in this vital volume the markets, strategy implications, challenges and possibilities of this new economic...

This article offers a tractable monetary asset pricing model. In monetary economies, the price level, inflation, asset prices, and the real and nominal interest rates have to be determined simultaneously and in relation to each other. This link allows us to relate in closed form each of the...

We develop a measurement theory of market integration, based on two notions of "integrated markets. " First, two markets cannot be perfectly integrated in any sense if one can construct two portfolios, one from each market, that have identical payoffs but different prices. In that case, the law...