This chapter provides a selective review of some contemporary approaches to program evaluation. One motivation for our …, we examine some commonly employed evaluation strategies, and assess them with a common set of criteria for "internal … validity", the foremost goal of an ex post evaluation.  In some cases, we also provide some concrete illustrations of how …

This paper develops a decision-theoretic approach to policy analysis. We argue that policy evaluation should be … model is often inappropriate, since model uncertainty is an important element of policy evaluation. We advocate the use of … model averaging to account for model uncertainty and show how it may be applied to policy evaluation exercises. We …