A long literature has examined the effects of the price of giving - that is, the amount an in-dividual must give for one dollar to accrue to the charitable activity itself - on donative behavior. We use data from DonorsChoose.org, an online platform linking teachers with prospective donors, that...

A long literature has examined the effects of the price of giving - that is, the amount an in-dividual must give for one dollar to accrue to the charitable activity itself - on donative behavior. We use data from DonorsChoose.org, an online platform linking teachers with prospective donors, that...

Decisions to donate time or money for charitable purposes are typically seen as make-or-buy decisions, implying that there should be a clear distinction between individuals engaging in one of these two forms of giving and that this distinction should be somehow linked to opportunity costs. But...