The condensed research article presents some innovative research results on the venture capital optimal investment portfolio strategies selection in the diffusion-type financial systems in the imperfect highly volatile global capital markets with the incomplete information, which are...

We examine the geographic distribution of the shareholders of the U.S. Regional Bell Operating Companies (RBOCs) and document that a customer of an RBOC is more likely to invest in his local company than in an RBOC in another service area. Holdings of the local RBOC tend to be larger than...

We examine the performance-flow relationship(PFR) in Chinese open-end fund market and find that PFR is negative and concave. The shape of PFR indicates that investors¡¯ choice does not pose an incentive mechanism on fund managers: The better an open-end fund performs, the higher the net...

We analyze the implications of dynamic flows on a mutual fund manager's portfolio decisions. In our model, a myopic investor is allowed to dynamically allocate capital between a riskless asset and an actively managed mutual fund who charges fraction of fund fees. The presence of dynamic flows...

This article analyzes investor beliefs as to stocks, the inadvertent role government plays in shaping those beliefs and thereby contributes to a rise in stock prices, and the need for government quot;neutralityquot; among investor belief systems. It suggests that, contrary to conventional...

We develop a model of portfolio choice to nest the views of Keynes---who advocates concentration in a few familiar assets---and Markowitz---who advocates diversification across assets. We rely on the concepts of ambiguity and ambiguity aversion to formalize the idea of investor's...

We develop a model of portfolio choice capable of nesting the views of Keynes, advocating concentration in a few familiar assets, and Markowitz, advocating diversification across all available assets. In the model, the return distributions of risky assets are ambiguous, and investors are averse...

We develop a model of portfolio choice to nest the views of Keynes - who advocates concentration in a few familiar assets - and Markowitz - who advocates diversification across assets. We rely on the concepts of ambiguity and ambiguity aversion to formalize the idea of an investor’s...

We explore the flow-performance interrelation of hedge funds by separating the investment and divestment decisions of investors using a regime switching model. We report three previously undocumented features in hedge fund data. First, we find a weak inflow-performance relation at quarterly...

The adjustment speed of delta hedged options exposure depends on the market realized and implied volatility. We observe that by consistently hedging long and short positions in options we can eventually end up with pure exposure to volatility without any options in the portfolio at all. The...