Economics for Today 9th Edition by Irvin Tucker

تمرين 47

Which of the following best illustrates the application of the model-building process to economics?
A) Two economists with differing political agendas argue about the best way to solve the Social Security problem on a Sunday morning talk show.
B) A labor economist notices that unemployment tends to be higher among teenagers than more experienced workers, develops a model, and gathers data to test the hypotheses in the model.
C) A Ph.D. student in economics develops a plausible mathematical model of an industry for his dissertation, but there is no data to test the model.
D) Economists come to believe that some economic models are true simply because prominent leading economists say they are true.