Long run neutrality restrictions have been widely used to identify structural shocks in VAR models. This paper revisits the seminal paper by Blanchard and Quah (1989), and investigates their identification scheme. We use structural VAR models with smoothly changing covariances for identification...

We quantify the role of contractionary monetary shocks and wage rigidities in the U.S. Great Contraction. While the average economy-wide real wage varied little over 1929-33, real wages rose significantly in some industries. We calibrate a two-sector model with intermediates to the 1929 U.S....