The MRTS for isoquants in a fixed-proportion production function is:

The table above shows the exchange rates between various currencies and the U.S. dollar. Between 2015 and 2016, the Euro ________ against the U.S. dollar, the Japanese yen ________ against the U.S

dollar and the Canadian dollar ________ against the U.S. dollar A) depreciated, depreciated, depreciated B) appreciated, depreciated, appreciated C) appreciated, appreciated, appreciated D) depreciated, depreciated, appreciated

According to research by William Shepherd, competition has increased in U.S. industries since World War II due to

a. both c and d b. all of the following c. international trade d. deregulation e. antitrust activity