id21's insights, a journal hosted by the Institute of Development Studies and funded by the UK Department for International Development, has published a piece on the benefits of health insurance by R4D Managing Director Gina Lagomarsino, and Program Officer Sapna Singh Kundra. This issue of id21 insights focused on mechanisms for making health markets work for the poor, with Gina and Sapna's piece describing how well-implemented public and private health insurance programs create a platform for pooled strategic purchasing that can drive improvements in quality of care and increased availability of services for poor people.