If a good has a perfectly inelastic short-run supply curve, an increase in demand will:
a. increase the price and quantity exchanged in the short run

A $10 per-unit tax on cell phones raises the equilibrium price paid by consumers by $5. Before the tax, 5,000 cell phones were sold per year. The revenue from the tax is

A) zero. B) positive but less than $50,000 per year. C) $50,000 per year. D) more than $50,000 per year.

Not counting _____ as unemployed understates unemployment

a. children b. retired persons c. students d. people who do not want to work e. discouraged workers