A perfectly competitive firm maximizes its profits using what rule?

Assuming all else equal, a decrease in the real interest rate will cause:

A) an upward movement along the credit supply curve. B) a downward movement along the credit supply curve. C) the credit supply curve to shift to the right. D) the credit supply curve to shift to the left.

According to most economists, the development of markets is:

A. both a necessary and a sufficient condition for development. B. a sufficient condition for development but not a necessary condition. C. a necessary condition for development but not a sufficient condition. D. neither a necessary nor a sufficient condition for development.