The last two decades have been a turbulent period for American higher education, with profound demographic shifts, gyrating salaries, and marked changes in the economy. While enrollments rose about 50% in that period, sharp increases in tuition and fees at colleges and universities provoke...

An important decision that must be made in operating training programs targeted toward disadvantaged workers is whether the programs dictate the specific training programs that participants will take or they issue vouchers that permit participants to select their specific training programs. Over...

It is widely agreed that randomized controlled trials - social experiments - are the gold standard for evaluating social programs. There are, however, many important issues that cannot be tested using social experiments, and often things go wrong when conducting social experiments. This paper...