Statistical Methods for Economists – Week 6

                                       (Questions and Tasks)

The topic: Time series analysis

1) What is a time series?

2) What are the four main components of a time series?

3) Which components form a periodic component?

4) Write an additive model of a time series.

5) Write a multiplicative model of a time series.

6) Choose a real world time series (such as price of Apple or Tesla shares with at least 10 data
points) and evaluate the trend of this time series using a linear function. Then, make a prediction
about the shares (for 3-5 time points in the future).