Efforts to regionalize cardiac services can increase access costs for patients. This study quantifies this trade off by estimating the effects of changes in the regulation of hospital services on treatments and outcomes. A demand model for surgery services is specified in which heart attack...

Recent research has highlighted the importance of interaction between individuals and their community in determining criminal and labor market choice, while standard models have focused on a human capital explanation. This research attempts to reconcile these two strands of literature by...

Monte Carlo simulation methods are used to generate independent series with short memory in volatility. Partial sums of there short memory series are formed and the volatilities of these partial sums are tested for long memory. Aggregating series with short memory valatilities results in indices...