We have focused on the case of trade involving only two countries. Suppose that there are many countries capable of producing two goods, and that each country has only one factor of production, labor. What could we say about the pattern of production and trade in this case? (Hint: Try constructing the world relative supply curve.)

On january 1, eastern college received $1,350,000 from its students for the spring semester that it recorded in unearned tuition and fees. the term spans four months beginning on january 2 and the college spreads the revenue evenly over the months of the term. assuming the college prepares adjustments monthly, what amount of tuition revenue should the college recognize on february 28?