Besides reducing health and the ecological risks of pest control, integrated pest management (IPM) seeks to increase farm income. Economic constraints also act as barriers to adoption of IPM practices. An understanding of how IPM affects the farm “bottom line” is crucial to efforts to encourage IPM. This chapter discusses methods for estimating the economic impacts of IPM, devoting special attention to advances in statistical methods to account for sample selection bias in program evaluation. The chapter also discusses methods for estimating economic values of reduced environmental risks. Finally, the chapter examines the effectiveness of Farmer Field Schools in promoting pest management knowledge, IPM adoption, and farm income and discusses ways to improve economic assessments of IPM programs.