1. Mr Cheung's nominal income increases by 5% in 2008 compared with that in the previous year,and the price index increases from 96 last year to 102 this year.
a) Find the rate of change of the price level in 2007-2008.
b) How does the real income of Mr.Cheung change?Explain.
2.The table below showa the CPI of an economy:
Jan-07Apr-07Jul-07Oct-07Jan-08CPI120122.5124.3127.8129.6a) Find the percentage change in the CPI between Jan 07 and Jan 08.Show your workings.
b) Name the economic phenomenon occured in this period.State its definition.
c) How did the purchasing power of money and the cost of living change?Explain.