Under perfect competition, the per unit revenue of a firm is equal to its marginal revenue

Decisions by depositors to increase their holdings of ________, or of banks to hold excess reserves will result in a ________ expansion of deposits than the simple model predicts

A) deposits; smaller B) deposits; larger C) currency; smaller D) currency; larger

Border enforcement if effective would raise the number of illegal immigrants into the United States

a. True b. False Indicate whether the statement is true or false