Which of the following is an administered interest rate set by commercial banks?

The larger the four-firm concentration ratio, the ________ competition within an industry; the larger the Herfindahl-Hirschman Index, the ________ competition within an industry

A) more; more B) more; less C) less; more D) less; less E) The premise of the question is wrong because the four-firm concentration ratio applies only to markets with four firms in it and these markets are, by definition, not competitive.

Microeconomics focuses on ____; macroeconomics concentrates on ____

a. the basic tools of analysis; the use of abstractions and models b. the economies of various countries; the decisions of individual companies c. the decisions of individual units; the behavior of entire economies d. the economic aggregates; the decisions of individual units