The demand for microwaves in a certain country is given by: …

The demand for microwaves in a certain country is given by: D = 8,000 –30P, where P is the price of a microwave. Supply by domestic microwave producers is: S = 4,000 + 10P. If this economy opens to trade while the world price of a microwave is $50, how many microwaves will be imported or exported?

Tamara can produce either 5,000 pounds of cheese or 20 cars…

Tamara can produce either 5,000 pounds of cheese or 20 cars per year. Jamal can produce either 5,000 pounds of cheese or 10 cars per year. If both Tamara and Jamal produce the good in which they have comparative advantage, the total annual output of this economy will be