In this study we compare the extent of informed trading across investor types in the Korean stock market using intraday quote and trade data from January 2006 to September 2013. We estimate for each stock the probability of information-based trading (PIN) using trades that are initiated by...

We posit the time required for managing risky asset investment including conducting research and monitoring its performance. An economic agent, who should allocate a limited amount of time to labor, leisure and risky investment, is subject to the opportunity time cost, which is forgone labor or...

We explore the impact of capital market integration on the welfare of domestic investors, in particular, with closed-form solutions to optimal asset holdings and utility changes in a simple equilibrium framework wherein agents have mean–variance utility. Our model allows us to show the welfare...

The authors suggest a modified quadratic approximation scheme, and apply this scheme to American barrier (knock‐out) and floating‐strike lookback options. This modified scheme introduces an additional parameter into the quadratic approximation method, originally suggested by G....