This article describes and assesses the development of a major evaluation and policy research tool-microdata simulation modeling-over the past two decades. The method of microdata simulation modeling is described and its reliance on the development of large, nationally weighted household surveys...

Each year $250 million is allocated by donor agencies to developing countries for fertility reduction purposes. This article develops an economic optimizing procedure based upon fertility reduction effectiveness ratings on experts in the population field andjudgmental diminishing returns...