In a business cycle, the date at which a recession starts is called a trough

The buying and selling activities that tend to equalize the rates of return on identical or nearly identical assets is called:

A. Beta B. Risk C. Arbitrage D. Diversification

The rational expectations view that expectations regarding policy and its effects are important to consider:

A. Serves as the primary rationale for the Laffer Curve B. Is now accepted by most mainstream economists C. Is consistent with the monetary rule calling for a constant rate of growth in the money supply D. Is challenged by research indicating that expectations have little economic effect