Macroprudential supervision policies try to prevent a leverage cycle by changing capital requirements so that they ________ during an expansion and ________ during a downturn

Firms maximize profit when

A) the additional benefit from producing a good equals the additional cost of producing that good. B) MR = MC. C) the derivative of the profit function with respect to output is zero. D) All of the above.

The influence of technological change on market structure

a. invariably leads to domination by a few firms b. depends on whether it increases or decreases minimum efficient scale c. tends to increase concentration d. depends on whether it increases or decreases the product's value e. depends on foreign competition