The Master Settlement Agreement (MSA) between the major tobacco companies and 46 states created an abrupt 45 cent (21%) increase in cigarette prices in November, 1998. Earlier estimates of the elasticity of prenatal smoking implied that the price rise would reduce prenatal cigarette smoking by...

There are striking disparities in morbidity and mortality by socioeconomic status (SES) within the United States. I examine pregnancy and health at birth to investigate possible mechanisms linking SES and health. I find that a limited set of maternal health habits during pregnancy, particularly...