Parity prices for agricultural products are based on the relative purchasing power of farm products during the period of:

In the early decades of the 18th century, English goods sold for as much as 80 to 140 percent more in the colonies than in England primarily due to:

a. high tariffs on English goods imported to the colonies. b. a limited supply of English goods available for shipment to the colonies. c. high transportation costs for goods shipped from England to the colonies. d. legally established price floors on English goods sold in the colonies.

Taking into account infant and child mortality, the total fertility rate that is necessary to keep a country's population from falling over time is:

A. Less than 1 birth per woman per lifetime B. Equal to about 1 birth per woman per lifetime C. Equal to about 1.5 births per woman per lifetime D. Slightly more than 2 births per woman per lifetime