If People Are Given One of Two Items of the Same

Multiple Choice

If people are given one of two items of the same value and are given the choice to exchange it:

A) about 50 percent will make the change since half prefer the item they have and half prefer the item they do not have.
B) everyone will keep the first item since it was free.
C) everyone will trade since people like to trade.
D) most will keep the original item since people tend to value what they have more than a product that they do not.