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The Premise of Local Information: Building Reliable Economic Indicators from a Decentralized Network of Contributors

This paper describes the design and implementation of Premise, a mobile-phone based platform for gathering reliable, quantitative data through on-the-ground networks of local contributors. Founded in 2012 and currently operating in 34 countries, …

The Price Is Right?: Statistical Evaluation of a Crowd-Sourced Market Information System in Liberia

Many critical policy decisions depend upon reliable and up-to-date information on market prices. Such data are used to construct consumer price indices, measure inflation, detect food insecurity, and influence macroeconomic policy. In developing …