The total factor productivity of railroads increase dramatically in the antebellum period. All of the following factors are responsible for the increase in productivity except:

Question

The total factor productivity of railroads increase dramatically in the antebellum period.  All of the following factors are responsible for the increase in productivity except:

Quizplus · Accepted Answer

The introduction of refrigerated railroad cars is not responsible for the increase in productivity during the antebellum period because refrigerated cars became significant later in the history of railroads, primarily aiding in the transportation of perishable goods rather than directly increasing the productivity of railroads in the antebellum era.

The Total Factor Productivity of Railroads Increase Dramatically in the Antebellum