Recent work raises questions about the input and output measures typically used to estimate the impact of prenatal care on infant health: self-reported prenatal care may generate biased estimates of the impact of prenatal care on infant health, and birthweight may be a narrow measure of infant...

While the Surgeon General's Consumer Guide lists weight-gain as an important relapse trigger, the 2001 Surgeon General's Report on Women and Smoking concludes, paradoxically, that actual weight-gain during cessation does not appear to predict relapse. This dichotomous view reflects longstanding...

What criteria should be used to evaluate the impact of a new employee wellness program when the initial vendor contract expires? Published academic literature focuses on return-on-investment as the gold standard for wellness program evaluation, and a recent meta-analysis concludes that wellness...

Studies indicating that prenatal care has minimal impact sparked additional work to assess whether this is a correct conclusion or a statistical artifact. Recent work highlights the importance of including medical diagnoses as regression variables, developing inclusive measures for health...

In this study we use the latent variable asset pricing model to examine the pricing of A and B shares in the China stock markets. The hypothesis tested is whether markets for the A and the B shares of the same companies are segmented. We document only one latent variable in both A and B share...