This chapter considers methods for evaluating the impact of social programs in the presence of nonrandom program placement or program selection. It first presents the evaluation problem as a missing data problem and then considers various solutions proposed in the statistics and econometrics...

This paper is a practical guide (a toolkit) for researchers, students and practitioners wishing to introduce randomization as part of a research design in the field. It first covers the rationale for the use of randomization, as a solution to selection bias and a partial solution to publication...

From the point of view of economic development, education is the acquisition of knowledge and skills through experiences from conception onwards over the life cycle that increase productivity broadly defined. Education can occur through, but is not limited to, formal educational activities such...