Ronald sells commercial-grade tools to building contractors. Whenever he visits his customers, he looks to see if they are using his tools for other tasks or have modified the tools for some other purpose. These customers are , who can provide ideas for new and improved products. laggards market testers lead users reverse engineers concept testers

Which of the following best explains the purpose of protectionist trade policies such as tariffs and subsidies? a. they make sure that governments have enough money to pay for fiscal policies. b. they give foreign competitors access to new markets around the world. c. they allow producers to sell their products more cheaply than foreign competitors. d. they enable producers to purchase productive resources from everywhere in the world.