If a nation produces more than it spends what do we know about: A. its net exports? B. its net capital outflow? C. its saving in relation to its domestic investment?

There are several competing models of the business cycle because

A) none currently captures all facets of the business cycle. B) they are all rooted in different philosophical traditions. C) different shocks need different models. D) they depend on the type of policy that is adopted.

In the Sunday newspaper, there are usually coupons that you can clip and take to the store to save money on products. Anyone can buy a newspaper, and the value of the coupons easily exceeds the price of the newspaper for most consumers

Is this an example of price discrimination? Explain.