Part 1 The role of family planning programmes as a fertility determinant: introduction, James F.Phillips and John A. Ross the role of family planning programmes as a fertility determinant, Ronald Freedman and Deborah Freedman methods for measuring programme impact - a review of applications in the last decade, John A. Ross and Cynthia B. Lloyd. Part 2 Theoretical perspectives on the intersection of demand and supply: supply and demand, not supply vs. demand - appropriate theory for the study of the effects of family planning programmes on fertility, George B. Simmons relationships between fertility and individual deamnd and community programme supply - the role of family planning in determining fertility, T.Paul Schultz the influence of contraceptive costs on the demand for children, Warren Robinson and John Cleland the spread of fertility regulation as collective behaviour, Rodolfo A. Bulatao and Eduard Bos. Part 3 Addressing the role of demand: demand for family planning - estimates for developing countries, Charles F. Westoff and Lorenzo Moreno the use of payments and benefits to influence reproductive behaviour, John Cleland and Warren Robinson. Part 4 Addressing the role of supply: the proximate operational determinants of fertility regulation behaviour, Ruth Simmons and James F. Phillips, quality of service, programme efforts and fertility reduction, Anrudh Jain, Judith Bruce and Sushil Kumar service proximity as a determinant of contraceptive behaviour - evidence from cross-national studies of survey data, Amy Ong Tsui and Luis Hernando Ochos. Part 5 Social, institutional, and political constraints to family planning programme effectiveness: constraints on supply and demand for family planning - evidence from Rural Bangladesh, Michael A. Koenig and Ruth Simmons state-society links - political dimensions of population policies and programmes, with special reference to China, Susan Greenhalgh the determinants of impact and utilization of fertility research ion public policy, China and Mexico, Axel I. Mundigo. Part 6 Summary and conclusion: family planning programme sand fertility effects - an overview, James F. Phillips and John A. Ross.