This paper contributes to two strands of literature on empirical models of trade flows and trade policy. The first and the older strand is that of gravity models of bilateral trade flows going back to Hans Linneman (1966) and Tinbergen (1962) and its recent applications, particularly by Adams et...

Attrition is the Achilles heel of longitudinal surveys. Drawing on our experience in the Indonesia Family Life Survey, we describe survey design and field strategies that contributed to minimizing attrition over four waves of the survey. The data are used to illustrate the selectivity of...

An increase in HIV infection has contributed to the problem of RTIs/STIs in India. This paper finds a high prevalence of RTI/STI among the rural women in Haryana. Half of the rural women have no knowledge of the mode of transmission of RTIs and their sources. Relatives and friends are the best...