The Consumer Price Index is a measure of the .a. cost of a market basket of consumer goods and services relative to its cost in some base year b. change in the average price of a market basket of "necessary" goods and services c. annual inflation rate in the producers' goods market d. change in the average price level of all final goods and services e. average price of all goods and services relative to their price last year

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