This paper analyzes infant mortality in a unique and highly-detailed data set from Uruguay. A duration model is employed to estimate the relationships between infant mortality and socioeconomic status at the individual, household, and community level. Our results indicate that the most important...

This paper studies nonlinear behavior of high-frequency financial data and employs nonlinear hierarchical models for analyzing such data. We illustrate the analysis by modeling the transaction-bytransaction data of IBM stock on the New York Stock Exchange for a period of 3 months. The variables...