October 1999

Do Noisy Data Exacerbate Cyclical Volatility?

Antulio N. Bomfim

Abstract:

How does the additional uncertainty associated with noisy economic data affect business cycle fluctuations? I use a simple variant of the neoclassical growth model to show that the answer depends crucially on the assumed expectation-formation capabilities of agents. Under efficient signal extracting, noisy economic indicators dampen cyclical volatility. The opposite occurs when agents follow a simple bounded rational strategy.

Keywords: Volatility, measurement error, signal extraction, expectations, bounded rationality

PDF: Full Paper

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Last Update: February 05, 2021