What kind of economic activity, involving the purchase of stocks rather than physical assets, has skyrocketed in the global market?

What would be expected to happen to the size of the underground economy if:

a. businesses tax rates decreased. b. government regulations on businesses increased dramatically. c. the sale and use of marijuana was legalized in all 50 states.

Who receives benefits if regulation works according to social interest theory?

A) the entire economy B) cohesive interest groups C) everyone not in the cohesive interest group D) the regulators E) It is impossible to determine who benefits.