Dueker, Michael; Jackson, Laura; Owyang, Michael T.; … - In: Oxford open economics 2 (2023), pp. 1-12
Smooth-transition autoregressive (STAR) models, competitors of Markov-switching models, are limited by an assumed time-invariant threshold level. We augment the STAR model with a time-varying threshold that can be interpreted as a 'tipping level' where the mean and dynamics of the VAR shift....