Template-Type: ReDIF-Paper 1.0 Author-Name: Sergei Seleznev Author-Email: SeleznevSM@cbr.ru Author-Workplace-Name: Bank of Russia, Russian Federation Title: Truncated priors for tempered hierarchical Dirichlet process vector autoregression Abstract: We construct priors for the tempered hierarchical Dirichlet process vector autoregression model (tHDP-VAR) that in practice do not lead to explosive forecasting dynamics. Additionally, we show that tHDP-VAR and its variational Bayesian approximation with heuristics demonstrate competitive or even better forecasting performance on US and Russian datasets. Length: 37 pages Creation-Date: 2019-10 Revision-Date: Publication-Status: File-URL: http://cbr.ru/Content/Document/File/87576/wp-47_e.pdf File-Format: Application/pdf File-Function: Number:wps47 Classification-JEL: C11, C32, C53, E37. Keywords: Bayesian nonparametrics, forecasting, hierarchical Dirichlet process, infinite hidden Markov model. Handle:RePEc:bkr:wpaper:wps47