Office for National Statistics (ONS)
Federal Reserve Economic Data (FRED)
World Development Indicators (World Bank)
Wouter Den Haan's data from published papers
Eric Sims
Jesus Fernandez-Villaverde
Lawrence Christiano
Wouter Den Haan
Kenneth Judd
Christopher Carroll
Alexander Richter
Serguei Maliar
Chris Edmond
Michael Hatcher
Stephanie Schmitt-Grohe and Martin Uribe