1.Which of the following is NOT a fair criticism of the use of input-output economics:

a.The tables that are not compiled in sufficient detail to make them useful in organizing the final draft of the plan.

b.It can cause the inefficiency of a previous year to be reintroduced into the plan for a future year.

c.The data in the input-output tables is usually several years old before they are available for use.

d.It ignores the interdependence between the various sectors of the economy.

e.that Leontief became totally unhappy after voluntarily immigrating to the United States.