unit-roots

Learning objectives: Explain the challenges of modeling time series containing unit roots. Describe how to test if a time series contains a unit root. Explain how to construct an h-step-ahead point forecast for a time series with seasonality. Calculate the estimated trend value and form an...

Learning objectives: Describe linear and nonlinear time trends. Explain how to use regression analysis to model seasonality. Describe a random walk and a unit root. Questions: 21.1.1. The following seasonal dummy model estimates the quarterly growth rate (in percentage terms) of housing...