A curve that represents all combinations of market baskets that provide the same level of utility to a consumer is called:

A 45-degree line on a graph with expenditures, E, on the vertical axis and production, Y, on the horizontal axis, represents

A) the line of disequilibrium levels of income. B) all possible equilibrium levels of production and expenditures. C) some of the equilibrium levels of production and expenditures. D) None of the above.

Which of the following statements regarding marginal analysis are? true? (Check all that apply.?)

A. It excludes information that is relevant to the? individual's decision. B. It is often faster to implement than optimization using total value. C. It focuses on the difference between one feasible alternative and the next feasible alternative. D.It always picks out a different optimum than the minimization of the total cost.