A good economic model
A) describes every aspect of the economic world, with no exception.
B) includes all those features of the world that can be described numerically.
C) includes only those features of the world that are needed for the purpose at hand.
D) should not include more than two variables.
C
You might also like to view...
Along a short-run Phillips curve when the inflation rate rises,
A) the real wage rate falls and more labor is hired. B) the expected inflation rate falls. C) the expected inflation rate rises. D) the money wage rate falls because the labor market becomes less tight. E) potential GDP decreases.
In the short-run if there is a surplus in the market for a product, the rationing function of price can be expected to cause
A) an increasing shift in the demand for the product. B) a decreasing shift in the supply of the product. C) an increase in the market price of the product. D) a decrease in the market price of the product.