The Pacific region is expected to contract by 0.6% in 2021, and to grow by 4.7% in 2022. This issue of the Pacific Economic Monitor explores how the region can reopen and rebuild. Besides safely resuming travel and protecting health, a resilient recovery will depend on promoting fiscal sustainability and strengthening economic management, including regional cooperation to revitalize tourism.

This book offers guidance on the principles, methods, and practice of impact evaluation. It contains material for a range of audiences, from those who may use or manage impact evaluations to applied researchers. Impact evaluation is an empirical approach to estimating the causal effects of interventions, in terms of both magnitude and statistical significance. Expanded use of impact evaluation techniques is critical to rigorously derive knowledge from development operations and for development investments and policies to become more evidence-based and effective. To help backstop more use of impact evaluation approaches, this book introduces core concepts, methods, and considerations for planning, designing, managing, and implementing impact evaluation, supplemented by examples. The topics covered range from impact evaluation purposes to basic principles, specific methodologies, and guidance on field implementation. It has materials for a range of audiences, from those who are interested in understanding evidence on "what works" in development, to those who will contribute to expanding the evidence base as applied researchers.