单选题 Which one of the following is least accurate with regard to money serving as a medium of exchange? Without money to serve as a medium of exchange: A. people's standard of living would probably decline. B. people would continue to enjoy their current standard of living and countries would become more self-sufficient in production of goods and services. C. the transaction cost of exchange would increase.

【正确答案】 B

【答案解析】Without money to serve as a medium of exchange people around the world would see their current standard of living decline, countries would be less self-sufficient in the production of goods and services, transaction costs of exchange would increase, and the gains from international trade would be limited.