In the United States, partnership profits are taxed at the business level and then are taxed again as personal income in the form of dividend payments

The top quintile's share of all income exceeds 50% in 2005

Indicate whether the statement is true or false

If we add together all the gains from specialization and trade and then subtract all the losses, the net result would be

A. Zero: the gains and losses would cancel out. B. Impossible to tell: the net result could be zero, positive, or negative. C. Negative: a net loss for the world and each country. D. Positive: a net gain for the world and each country.