The money demand curve indicates the total quantity of money demanded in the economy at each

A profit-maximizing firm will hire additional units of labor until

A) the additional cost of hiring the last worker equals the additional revenue generated by that worker. B) the additional cost of hiring the last worker equals the marginal factor cost of the worker. C) the extra revenue from hiring the last worker equals the marginal physical product of labor. D) the extra cost from hiring the last worker equals the cost of the product.

A decrease in the price level will cause:

A. the short-run aggregate supply curve to shift to the right. B. the aggregate demand curve to shift to the right. C. a movement rightward along the short-run aggregate supply curve. D. the long-run aggregate supply curve to shift to the right.