All of the following are reasonable explanations of the labor productivity speed-up in the United States except

Refer to Table 7-6. Prior to trade, what was the opportunity cost to produce 1 belt in Morocco?

A) 1/2 of a sword B) 1 sword C) 1.5 swords D) 2 swords

Just over 10% of workers age 25 years or older earned below $7 per hour in 2005

Indicate whether the statement is true or false