If the ________ cost of production for two goods is different between two countries then mutually beneficial trade is possible

Which of these is an example of rational inattention?

A) submitting a paper with a few typos, knowing that they won't affect the grade B) sleeping in later than you had intended C) a firm delaying price changes to avoid losing customers D) a firm being unsure of its competitors' prices E) a firm changing prices so often its customers stop noticing

Which of the following best describes the antebellum U.S.?

a. Immigration peaked in the 1820s and slowly decreased through the Civil War. b. Union membership grew consistently through the period and comprised a substantial portion of the working population by the Civil War. c. English wages grew relative to those of the U.S. d. The percentage of people living in urban areas in U.S. approximately tripled. e. The North had the most unequal income distribution because of its large increase in industry.