The mutually understood customs the two parties involved in a transaction follow from experience are known as _____

The lime drinks industry and the cola drinks industry are both operating as oligopolies. The two firms in the lime drinks industry agree to form a cartel, while the three firms in the cola drinks industry are unable to come to an agreement. In the given scenario, which of the following statements is true?

a. The producers of lime drinks will share monopoly profits, while the producers of cola drinks will have profit levels typical of competition. b. The producers of lime drinks will have the profit levels of monopolistic competitors, while the producers of cola drinks will eventually have zero profits. c. The producers of lime drinks will eventually have zero profits, while the producers of cola drinks have the profit levels of perfect competitors. d. The producers of lime drinks will have profit levels like perfect competitors, while the producers of cola drinks will share monopoly profits.

Which of the following does not increase (i.e., shift) the supply curve of real loanable funds?

a. Open market purchases of government securities by the central bank. b. A decrease in the discount rate. c. A decrease in the reserve ratio by the central bank. d. A decrease in the preferred asset ratio for near money (N/D), due to a shift in household preferences. e. All of the above increase the supply.