Barbara is trying to sell her Apple computer; however, none of the potential buyers is willing to pay the price Barbara desires. Barbara's friend Zeynep, an economist, thinks this might be due to a lack of information on the part of buyers. Zeynep uses the concept of __________ to explain to Barbara why she cannot sell her computer at the price she is asking Question 30 options: 1) supply and demand 2) adverse selection 3) moral hazard 4) None of the above answers are correct