If real GDP per capita measured in 2009 dollars was $6,000 in 1950 and $48,000 in 2018, we would say that in 2018, the average American could buy ________ times as many goods and services as the average American in 1950

Implicit costs are ________ and explicit costs are ________

A) costs that involve spending money; also costs that involve spending money B) nonmonetary costs; costs that involve spending money C) costs that involve spending money; nonmonetary costs D) nonmonetary costs; also nonmonetary costs

Dominant firms which assigned control to a single decision group, that formed in several industries in the U.S. in the 1870s and 1880s, were referred to as:

A. Trusts B. Mergers C. Tying contracts D. Single-seller monopoly