One target of the UN Millennium Development Goals that has successfully been reached involved cutting in half the number of people who lack access to

Positive economic analysis _____

a. evaluates policy changes and determines whether it is a good idea b. seeks to understand the outcome of a policy change c. cannot be proven incorrect d. is a statement about "what ought to be"

In general, the faster inflationary expectations adjust, the: a. less macro policy can influence unemployment

b. better discretionary policy can be expected to work. c. slower the adjustment of the short-run Phillips curve. d. stronger the case for active policy. e. more effectively a policy can influence unemployment.