What do most economists find to be the most persuasive argument in favor of protectionism? a. trade barriers protect infant industries that initially have relatively high costs. b. trade barriers protect our national security. c. trade barriers prevent firms from having to pay lower wages to compete with firms in developing countries. d. trade barriers reduce child labor in developing countries. e. both a and b?

Trade barriers protect infant industries that initially have relatively high costs ( A )

Explanation:

protectionism is an act of protection of local industries made by Government by restricting imports from other countries on goods and services been produced locally by industries in the country. this act is made possible by imposing tariffs on imported goods and services from other countries.

economists have argued that protectionism is not a very good practice especially for  developing countries because if the other countries retaliate the countries who imposed tariffs on imported goods will suffer the most. the fact that economist agree on is the fact that Trade barriers protect infant industries from unfair foreign competition.

it's obviously d. it could be c though.