The Billion Prices Project
The BPP was an academic initiative founded in 2008 by Alberto Cavallo at Harvard and Roberto Rigobon at MIT. It is no longer active, but its initiatives continue through PriceStats (inflation measurement) and the HBS Pricing Lab (academic research)
Related Initiatives
HBS Pricing Lab
The HBS Pricing Lab conducts academic research on firm-level pricing decisions and their impact on the economy.
Inflacion Verdadera
No longer active, this was the original project to measure inflation in Argentina (and later Venezuela).