McDonald's golden arches is an example of:

Predictive validation is better than concurrent validation because:

A) job applicants tend to be more motivated to do well on the tests. B) job applicants' performance on the tests are not influenced by their firsthand experience with the job. C) the group is more likely to include people who perform poorly on the test, a necessary ingredient to accurately validating a test. D) All of the above

Suppose the government increases its purchases by $16 billion. If the multiplier effect exceeds the crowding-out effect, then

A. the aggregate-demand curve shifts to the left by more than $16 billion. B. the aggregate-demand curve shifts to the right by more than $16 billion. C. the aggregate-supply curve shifts to the right by more than $16 billion. D. the aggregate-supply curve shifts to the left by more than $16 billion.