Structural innovations in multivariate dynamic systems are typically hidden and often identified by means of a-priori economic reasoning. Under multivariate Gaussian model innovations there is no loss measure available to distinguish alternative orderings of variables or, put differently,...

"How inflation fears shaped American society, then and now. For most of its history, the United States has benefited from price stability-a steady relationship between supply and demand, characterized by prices that don't inflate or deflate in unpredictable fashion. Across these long stretches,...