The demand by all the consumers of a given good or service is the ________ for the good or service

A government budget surplus

A) decreases a country's ability to finance domestic and foreign investment. B) increases a country's ability to finance domestic and foreign investment. C) increases a country's ability to finance domestic investment and decreases its ability to finance foreign investment. D) decreases a country's ability to finance domestic investment and increases its ability to finance foreign investment.

Firms in a perfectly competitive market usually enter or leave an industry in the short-run and not in the long-run

Indicate whether the statement is true or false