Technology Shocks in a Two-Sector DSGE Model
Recent evidence suggests that output, consumption, investment and hours rise in response to improvements in the technology for producing consumption goods, but all decline on impact when there is a similar improvement in investment-goods technology. We show that these effects are consistent with the predictions of a dynamic stochastic general equilibrium (DSGE) model with two sectors---a consumption good sector and an investment good sector---with sticky prices in each sector. The assumption that investment goods prices are also costly to adjust differentiates our model from previous research in this area, and helps us fit the evidence that the relative price of investment goods adjusts slowly to shocks. In combination with recent empirical work, our paper suggests that sector-specific technology shocks may be a major source of US business cycle dynamics, and models that were developed to fit the estimated effects of monetary policy shocks can also explain the estimated effects of sector-specific technology shocks.
|Date of creation:||2012|
|Date of revision:|
|Contact details of provider:|| Postal: Society for Economic Dynamics Marina Azzimonti Department of Economics Stonybrook University 10 Nicolls Road Stonybrook NY 11790 USA|
Web page: http://www.EconomicDynamics.org/
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- Zheng Liu & Daniel F. Waggoner & Tao Zha, 2011.
"Sources of macroeconomic fluctuations: A regime‐switching DSGE approach,"
Econometric Society, vol. 2(2), pages 251-301, 07.
- Zheng Liu & Daniel F. Waggoner & Tao Zha, 2010. "Sources of Macroeconomic Fluctuations: A Regime-switching DSGE Approach," Emory Economics 1002, Department of Economics, Emory University (Atlanta).
- Ramey, Valerie A & Francis, Neville, 2002.
"Is The Technology-Driven Real Business Cycle Hypothesis Dead? Shocks and Aggregate Fluctuations Revisted,"
University of California at San Diego, Economics Working Paper Series
qt6x80k3nx, Department of Economics, UC San Diego.
- Francis, Neville & Ramey, Valerie A., 2005. "Is the technology-driven real business cycle hypothesis dead? Shocks and aggregate fluctuations revisited," Journal of Monetary Economics, Elsevier, vol. 52(8), pages 1379-1399, November.
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