No abstract received.

No abstract received.

The availability of a two-year high-frequency transaction data of the Japanese Government Bond (JGB) futures provides us with an opportunity to uncovering volatility persistence in high-frequency returns and testing the mixed-distribution-hypothesis (MDH) in this market. Both time-domain and...

We find that for a sample of 324 announcements of delayed new product introductions in 52 industries from 1989 to 1997, the rivals overall experience significantly negative share price response. The results suggest that, for the sample as a whole, the information-signaling effect dominates the...

No abstract received.

This study addresses the cost structure and operational efficiency of the credit departments of the farmers' associations in Taiwan, adopting both stochastic cost frontier analysis and data envelopment analysis. The factors that influence operational efficiency are also examined. In particular,...

No abstract received.

In this essay, we empirically test the Constant–Elasticity-of-Variance (CEV) option pricing model by Cox (1975, 1996) and Cox and Ross (1976), and compare the performances of the CEV and alternative option pricing models, mainly the stochastic volatility model, in terms of European option...

Using returns of 4,916 stocks from 22 developed countries and 15 developing countries, this study examines the relative magnitude of conditional volatility and the international market systematic risk of stock prices in countries at different developmental stages and in various geographical...