Castle, Jennifer L.; Hendry, David F. - In: Journal of Econometrics 178 (2014) P2, pp. 286-293
When a model under-specifies the data generation process, model selection can improve over estimating a prior specification, especially if location shifts occur. Impulse-indicator saturation (IIS) can ‘correct’ non-constant intercepts induced by location shifts in omitted variables, which...