1Saving in the economy (a)occurs when current spending is less than current incomes (b)and investmen

1Saving in the economy

(a)occurs when current spending is less than current incomes

(b)and investment are essentially the same concept

(c) occurs when current consumption is more than current output

(d)is generally not a determinant of future output

2Environmental pollution is accounted for in

(a)GDP

(b) DI

(c) PI

(d) none of these

3The US Customs Service is a main source of data for

(a)C

(b) Ig

(c) Xn

(d) G

4A statistic called Gross Output (GO) sums together the value of economic activity taking place in each of the four stages of a productive economy, namely,

(a)planning, implementation, review, and wrap-up

(b) addition, subtraction, multiplication, and division

(c) resource extraction, production, distribution, and final output

(d) by land, by air, by sea, and by rivers and lakes

5Depreciation is all of the following,except

(a)the difference between gross investment and net investment

(b) the accumulation of capital stock

(c)the consumption of fixed capital

(d) the difference between GDP and NDP