We construct a measure of aggregate technology change, controlling for imperfect competition, varying utilization of … capital and labor, and aggregation effects. On impact, when technology improves, input use falls sharply, and output may fall … frictionless dynamic general equilibrium models, which generally predict that technology improvements are expansionary, with inputs …

of a technology shock has become widely utilized. In this paper, we investigate its reliability through Monte Carlo … impact of a technology shock on macroeconomic variables, and a corresponding level of uncertainty about the contribution of … technology shocks to the business cycle. …