In Microsoft Access, Validation Rule field property is used to restrict entries for that particular

According to the theory of comparative advantage, which of the following is not a reason why countries trade?

A. Costs are higher in one country than in another. B. Prices are lower in one country than in another. C. The productivity of labour differs across countries and industries. D. Exports give a country a political advantage over other countries that export less.

The Sherman Act, Clayton Act, and Robinson-Patman Act are all federal laws that were initially adopted to curb the formation of ________

A) monopolies B) oligopolies C) competitive markets D) international markets E) limited partnerships