Refer to the Following Table When Answering the Following Questions

Multiple Choice

Refer to the following table when answering the following questions.
Table 4.1: Production Model's Prediction for Per Capita GDP (US = 1) (Source: Penn World Tables 9.0)
-One explanation for the difference between the predicted output per person and the observed per capita GDP in Table 4.1 is differences in:

A) per capita capital.
B) the labor supply.
C) factor productivity.
D) labor's share of GDP.
E) None of these answers is correct.