The paper provides a proof of consistency of the ridge estimator for regressions where the number of regressors tends to infinity. Such result is obtained without assuming a factor structure. A Monte Carlo study suggests that shrinkage autoregressive models can lead to very substantial...

Okun's law is one of the most widely-known stylized facts in the macroeconomic literature and policy. In this paper, we study several aspects of Okun's law in Macedonia between 2004 and 2014. Aggregate indicators show a link between output and unemployment that is in line with this empirical...