The idea of interchangeable parts, which was an important aspect of the American System of Manufacturing, is attributed by Hughes and Cain (2011) to

(a) Henry Ford, who used it in the production of automobiles.
(b) Adam Smith, who suggested it in his book The Wealth of Nations.
(c) Thomas Jefferson, who used it in his "nailery" on his plantation.
(d) Eli Whitney, who used it in the production of guns.

(d)

Economics

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When considering the aggregate demand curve, the wealth effect, interest rate effect and effects from international trade reinforce each other

Indicate whether the statement is true or false

Economics

According to research by William Shepherd, competition has increased in U.S. industries since World War II due to

a. both c and d b. all of the following c. international trade d. deregulation e. antitrust activity

Economics