Macroeconomic Policymakers Prevent the Growth of Speculative and Ponzi Financing

Macroeconomic policymakers prevent the growth of speculative and Ponzi financing by:

A) setting reserve requirements for commercial banks and restricting loan terms.
B) guaranteeing loans and deposits.
C) permitting the mergers of different financial organizations so that they can more readily shift from one kind of financial activity to another.
D) All of the above.
E) None of the above.