This paper puts forward an alternative approach to multiplicative models and their assessment of returns out of financial assets. Firstly, it lays down an operative definition but also sets forth a commutative framework of mappings to provide foundations to such a definition. Next, the total...

Over 70 academic papers attempt to explain why foreigners invest in US securities. All ignore the vital role of the US broker-dealer. Macroeconomic factors like a trade balance or corporate governance may guide foreign investors toward certain markets. But US broker-dealers provide information...

Hedge fund flows chase alpha, yet they also follow returns attributable to traditional and exotic risk exposures. Investors appear more cognizant of exotic risks over time, with flows increasing their relative emphasis on returns from exotic betas in recent years. Investors also discriminate...

Transaction-cost models in continuous-time markets are considered. Given that investors decide to buy or sell at certain time instants, we study the existence of trading strategies that reach a certain final wealth level in continuous-time markets, under the assumption that transaction costs,...

In this study, we contribute to existing literature on momentum strategies by assessing a modified version of risk-return ratio based security selection criterion in an untested market – the KOSPI 200 over June 2006 to June 2012. Besides conventional risk-return ratios such as the Sharpe...