Please help with macro econ?

Question

11. How is the CPI calculated, roughly?

12. What are shortcomings of the CPI?

13. What is the GDP deflater?

14. What is meant by chained ($2000) GDP?

15. What is meant by seasonally adjusted data?

16. What is the difference between gross and net investment?

Answer 1

Roughly ...

11. It is change of prices for the same product bundle between periods.

12. Bundle is different for different people.

13. One of measures for changes in price level.

14. It means that consumer basket changes each period

15. It means correction of volatilities due to changes in consumption over different seasons.

16. Net means that depreciation is deducted.