Carol and Leslie enter into a contract stating that Carol will pay Leslie $650 per month for the next 20 years. Carol will live in the house and pay all expenses including property taxes, insurance, and maintenance costs. Leslie will continue to hold the title until the property is paid off. What kind of contract do they have

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