Machiavelli advises against delegating the distribution of favors. We test this claim in an experiment, in which an investor can directly transfer money to a trustee or delegate this decision to another investor. Varying the value of the transfers of the investor and the delegate, we find that...

We study the effects of random assignment to coeducational and single-sex classes on the academic performance of female high school students. Our estimation results show that single-sex schooling improves the performance of female students in mathematics. This positive effect increases if the...