Q1. Illustrate what is the cross-price elasticity of demand if the price of book increased 25%, the quantity of book sold decreased by 10% also the quantity of demand decreased by 30%?
Q2. Hybrid cars have better gasoline mileage than other cars. Assuming the laws of demand also supply hold in the marketplace for hybrid cars, elucidate how would a decrease in the price of gasoline affect this marketplace?
Q3. Using marketplace equilibrium why do baseball players also CEOs make more money than your lowly Economics instructor?