An American company sets up a joint venture to develop a mining operation in Tanzania. This is an example of _____

When the labor market is at full employment

A) real GDP equals potential GDP. B) the price level is stable. C) the price level equals the potential price level. D) the short run aggregate supply curve is horizontal.

Markets tend to produce too little of an excludable public good because

A) transaction costs are high. B) of the lack of rivalry. C) these goods are depletable. D) All of the above.