International trade is based on the existence of

Ersatz Kreme will sell its filling to Hunky Donuts only if Hunky Donuts agrees not to buy filling from other suppliers. This is an example of

a. price discrimination b. exclusive dealing c. a tying contract d. interlocking directorates e. a trust

If a firm's MRP of capital = MFC, the firm

a. is at its profit-maximizing use of loanable funds b. should decrease its quantity demanded of loanable funds c. should increase its quantity demanded of loanable funds d. should hire more labor e. should raise the interest rate