We investigate what happens to hours worked after a positive shock to technology, using the aggregate technology series computed in Basu, Fernald, and Kimball (1999). We conclude that hours worked rise after such a shock. (JEL: E24, E32, O3) Copyright (c) 2004 The European Economic Association.

We show that the standard procedure for estimating long-run identified vector autoregressions uses a particular estimator of the zero-frequency spectral density matrix of the data. We develop alternatives to the standard procedure and evaluate the properties of these alternative procedures using...