In order to decide whether the series contains a unit root, initially a Dickey-Fuller-Test (DF) is conducted. Write down the hypotheses for the appropriate DF-Test and carefully explain how the test is implemented. Given the plot in Figure B.1 what outcome would you expect

Y 150 140 M Nhan 130 120 mo 110 100 50 100 150 200 250 300 Figure B. 1 Shows time-series yt: Y 150 140 M Nhan 130 120 mo 110 100 50 100 150 200 250 300 Figure B. 1 Shows time-series yt