Tag: marginal analysis

A dueling charity outside the store has led Amy to offer a $5 gift card when people donate a toy to the toy drive inside the store. The two charities are substitutes for one another and offer similar goals. Some people donate to charity to feel good about their actions, but others are willing to donate if they are incentivized to do so. The Samaritan decides to buy a jar of army men to get a gift card for each one.