Suppose you have $10,000 in your checking account. you withdraw $500 cash from your account and hide it under your pillow for future use. if the required reserve ratio is 10%, what will be the maximum impact on money supply today as a result of your action? a. the money supply will decrease by $4,500. b. the money supply will decrease by $5,000. c. the money supply will decrease by $500. d. there will be no impact on the money supply.

Alaska king crab fishing in the 1960s and '70s was a dangerous but rich fishery. boats from as far away as california and japan braved the treacherous gulf of alaska crossing to reach the abundant king crab beds in cook inlet and bristol bay. suddenly, in the early 1980s, the fishery crashed due to over fishing. all crabbing in those areas ended. to this day, there is no crabbing in bristol bay or cook inlet. a. how would an economist explain the decline of the alaska king crab fishery