In the design of a wind farm, the placement of turbines is an important factor that affects the efficiency and profit, but automatic placement of turbines is still a challenging problem.

In this paper we model regimes and long memory in the dynamics of realized volatilities of intraday ETF and stock returns. We estimate threshold fractionally integrated (TARFIMA) models using Bayesian Markov Chain Monte Carlo (MCMC) algorithms with efficient jump. We also introduce a test based...

This paper empirically examines the adverse selection models by using the data from Chinas personal automobile insurance market through the standard positive-correlation test. Results show that higher-risk insurance policyholders do tend to buy insurance with a lower coinsurance rate, which...

This study examines the relation between trading activity of equity options and the volatilities of the underlying equities. A sample of 45 companies with the most actively traded equity options at the Chicago Board of Options Exchange is selected and, for each company, equity price variability...

For decades, policy makers in both the public and private sectors have been concerned with the question: What is the impact of changes in federal R and D support on company-financed R and D expenditures? This is one of the first empirical studies at a micro level of this topic. The results,...

By employing daily data we investigated the relationship between the role of macroeconomic announcements and equity returns via their connection to Fama-French (FF) factors. Macroeconomic announcements had a profound effect on equity returns, the FF factors and momentum. We find that the...