Mayer, Gerald. Union Membership Trends in the United States. Washington, DC: Congressional Research Service, 2004, http://digitalcommons.ilr.cornell.edu/cgi/viewcontent.cgi?article=1176&context=key_workplace 2) The relationship between supply and demand, which determines the price of a given commodity, is one of the key components of a free market economy. Which of the following factors fueled the demand of goods in postwar America? Check all that apply. a) Government encouragement to spend rather than save money b) Large household savings c) High cost of living d) Availability of and desire for consumer goods