Question

which of the following best illustrates the application of the model-building process to economics

a. on a Sunday morning talk show, two economists with differing political agendas argue about the best way to solve social security problems.

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 model's hypothesis. 

c. economists believe that some economic models are true simply because prominent leading economists say they are true.