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Demand Shocks as Technology Shocks
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DOI：10.1093/restud/rdaf045.png)
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Abstract
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We provide a macroeconomic theory where demand for goods has a productive role. A search friction prevents perfect matching between producers and potential customers. Larger demand induces more search, which, in turn, increases GDP and measured total factor productivity (TFP). We embed the product-market friction in a standard neoclassical model and estimate it using Bayesian techniques. Business cycles are driven by preference shocks, true technology shocks, and investment-specific shocks. Preference shocks have qualitatively similar effects as true productivity shocks. These shocks account for a large share of the fluctuations in consumption, GDP, and measured TFP and can be identified using shopping time data.
Keywords:
Demand shocks
Technology shocks
Shopping frictions
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