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Identifying technology shocks in the frequency domain

Riccardo DiCecio and Michael Owyang

No 2010-025, Working Papers from Federal Reserve Bank of St. Louis

Abstract: Since Gal [1999], long-run restricted VARs have become the standard for identifying the effects of technology shocks. In a recent paper, Francis et al. [2008] proposed an alternative to identify technology as the shock that maximizes the forecast-error variance share of labor productivity at long horizons. In this paper, we propose a variant of the Max Share identification, which focuses on maximizing the variance share of labor productivity in the frequency domain. We consider the responses to technology shocks identified from various frequency bands. Two distinct technology shocks emerge. An expansionary shock increases productivity, output, and hours at business-cycle frequencies. The technology shock that maximizes productivity in the medium and long runs instead has clear contractionary effects on hours, while increasing output and productivity.

Keywords: Business cycles; Technology - Economic aspects; Productivity (search for similar items in EconPapers)
Date: 2010
New Economics Papers: this item is included in nep-bec, nep-ecm, nep-eff, nep-ets and nep-mac
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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