Munich Personal RePEc Archive

Google It Up! A Google Trends-based Uncertainty Index for the United States and Australia

Castelnuovo, Efrem and Duc Tran, Trung (2017): Google It Up! A Google Trends-based Uncertainty Index for the United States and Australia. Forthcoming in: Economics Letters

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Abstract

We develop uncertainty indices for the United States and Australia based on freely accessible, real time Google Trends data. Our Google Trends Uncertainty (GTU) indices are found to be positively correlated to a variety of alternative proxies for uncertainty available for these two countries. VAR investigations document an economically and statistically significant contribution to unemployment dynamics by GTU shocks in the United States. In contrast, the contribution of GTU shocks to unemployment dynamics in Australia is found to be much milder and substantially lower than that of monetary policy shocks.

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