This paper compares retrospective and prospective analyses of the effect of flip charts on test scores in rural Kenyan schools. Retrospective estimates that focus on subjects for which flip charts are used suggest that flip charts raise test scores by up to 20 percent of a standard deviation....

This paper compares retrospective and prospective analyses of the effect of flip charts on test scores in rural Kenyan schools. Retrospective estimates that focus on subjects for which flip charts are used suggest that flip charts raise test scores by up to 20 percent of a standard deviation....

This paper examines the pattern of foreign direct investment (FDI) in producer services. We develop a model of FDI in these services and test its predictions using panel data on U.S.FDI in 25 host countries from 1976 to 1995. We find evidence that, in addition to governmental and cultural...

This paper examines the pattern of foreign direct investment (FDI) in producer services. We develop a model of FDI in these services and test its predictions using panel data on U.S. FDI in 25 host countries from 1976 to 1995. We find evidence that, in addition to governmental and cultural...