Acertain supermarket chain is only found in the southeastern regions of the united states. you would expect the supermarket to use advertising if it were trying to convince southerners that its products were competitive, and its prices were the lowest.

What could cause a production possibilities curve to move down and to the left? a.) a nation loses land after being defeated in a war. b.) an increase in the use of computer technology speeds up production c.) a baby boom 20 years ago results in a large number of young adults in the population today. d.) thousands of investors from overseas invest money in a nations economy.