Models describing the determination of the money supply and the Fed's role in this process normally focus on ________ rather than ________, since Fed actions have a more predictable effect on the former

Based on data in the table above, use the midpoint method to determine the cross elasticity of demand for ice cream and cake

A) The cross elasticity is -0.75. B) The cross elasticity is -1.75. C) The cross elasticity is -0.83. D) The cross elasticity is -4.0. E) The cross elasticity is -1.33.

Monopolistically competitive firms can earn profits in the long run by:

A. price discriminating. B. continually innovating to differentiate their product. C. further minimizing their costs. D. monopolistically competitive firms only earn zero profits in the long run.