Drawing on the author's extensive and varied research, this book provides readers with a firm grounding in the concepts and issues across several disciplines including economics, nutrition, psychology and public health in the hope of improving the design of food policies in the developed and...

The paper analyses longitudinal Compustat data on dividend payments and share repurchases of over 2000 US industrial firms by using 2-yearly averages for the period 1992-2007. First, dynamic auto-regressive models for dividends and share repurchases were estimated by maximum likelihood to yield...

We analyzed the effects of physician emigration on human development indicators in developing countries. First, the geographical distribution of physician brain drain was documented for the period 1991-2004. Second, random and fixed effects models were employed to investigate the effects of...

This paper modeled the effects of firms’ fundamentals such as total assets and long-term debt and of macroeconomic variables such as unemployment and interest rates on quarterly stock prices of over 3000 US firms in the period 2000–07. The merged CRSP/Compustat database was augmented by...

The hypothesis that consumption evolves over time as a martingale process is tested on household panel data for three villages in South India. A novel feature of the methodology is that it gives consistent estimates of dynamic effects in short panels. The estimated coefficients of lagged...