A growing disenchantment with conventional economic models has resulted in increased interest in forecasting with vector autoregressive (VAR) models. In this article, Roy H. Webb develops a statistical procedure for determining the best configuration of explanatory variables in the equations of...

Thirty years ago it appeared that the best strategy for improving economic forecasts was to build bigger, more detailed models. As the cost of computing plummeted, considerable detail was added to models and more elaborate statistical techniques became feasible. Yet dissatisfaction with...