Which word best characterizes the interaction among firms in any oligopoly?

Refer to the above figure. The figure represents the consumption function for a consumer. Point A represents

A) positive saving. B) negative consumption. C) autonomous consumption. D) zero saving.

To offset the effect of households and firms deciding to hold less of their money in checking account deposits and more in currency, the Federal Reserve could

A) raise the required reserve ratio. B) buy Treasury securities. C) raise the discount rate. D) lower bank taxes.