The file HICP contains the harmonized consumer price index ((2015=100 %)) of Spain and Poland for the

Question:

The file HICP contains the harmonized consumer price index \((2015=100 \%)\) of Spain and Poland for the years 1990 through 2017.

a. Plot the time series for the HICP \((2015=100 \%)\) for Spain.

b. Compute the linear trend forecasting equation for Spain.

c. Forecast the HICP \((2015=100 \%)\) for 2018 and 2019 for Spain.

d. Repeat (a) through (c) for Poland.

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