no need for explanation, just double checking my answers, thanks

1) Which of the following is not associated with an era of technological advances?

a) First mover advantages

b) Economic growth

c) A stationary state

d) Network externalities

2) In calculating the GDP,

a) an estimate of the underground economy is included

b) the contribution of international trade is measured as exports plus imports

c) value added minus intermediate purchases equals disposable personal income

d) the compensation of labor is the largest component of national income

3) Assume the data are for a national economy for 2017 and 2018: A nation's nominal GDP rose from 10,000 in 2017 to 12,000 in 2018. Its GDP price index rose from 200 in 2017 to 222 in 2018.

To the nearest percentage, what was this country's real rate of growth from 2017 to 2018?

a) 20 percent

b) 22 percent

c) 4 percent

d) 8 percent

4) Below are CPI data for an economy.What was this nation's inflation rate from 2008 to 2009?

YearCPI

2006120

2007125

2008135

2009141

a) 17.5 percent

b) 4.4 percent

c) 21 percent

d) 6 percent