The dismal performance of professional economic forecasters to foresee the financial crisis has raised serious questions as to the credibility of modern economics. Several efforts have been made to account for this failure. The paper offers a tentative answer based on the lessons that may be...

"This paper describes a Bayesian specification procedure used to generate a vector autoregressive model for forecasting macroeconomic variables. The specification search is over parameters of a prior. This quasi-Bayesian approach is viewed as a flexible tool for constructing a filter which...