The Billion Prices Project

An Academic Initiative to improve macroeconomic measurement

About US

"Big Data" for Macro and International Economics

The Billion Prices Project was an academic initiative at MIT and Harvard that used prices collected from hundreds of online retailers around the world on a daily basis to conduct research in macro and international economics. It was founded in 2008 by Alberto Cavallo and Roberto Rigobon, and remained active until 2016. Our research continues through related projects listed below. Additional and more recent papers can also be found in our personal academic pages.

Related Projects

Inflacion Verdadera Argentina

A daily inflation index for Argentina. Published from 2007 to 2018 as an alternative to the official CPI which was manipulated by the government during the period 2007-2016.

Inflacion Verdadera Venezuela

A daily inflation index for Venezuela from 2017 to 2020 using crowd-sourced data collected with mobile phones.

PriceStats Daily Inflation Indicators

Since 2010, PriceStats has been collecting online prices and computing daily inflation and PPP indicators in over 20 countries.

Featured Papers

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