In the _____, all costs are _____

Real GDP per person averaged $150 a year (in 2009 dollars) from 1,000,000 BC until 1620. Then in ________ real GDP began to increase without limit and by 1850 had risen to twice its 1650 level because ________

A) 1750; of the Industrial Revolution B) 1776; United States was founded C) 1750; Columbus arrived in the Americas D) 1650; the Pilgrims arrived in the Americas E) 1650; of the Industrial Revolution

In the market for used cars

A) the market is efficient because the cars are bought by the people who value them the most. B) the market is inefficient because lemons drive out the high quality cars. C) no cars are sold, because people don't like buying lemons. D) Not enough information to determine.