Joseph Engelberg, Charles F. Manski, and Jared Williams, "Assessing the 
Temporal Variation of Macroeconomic Forecasts by a Panel of Changing 
Composition", Journal of Applied Econometrics, Vol. 26, No. 7, 2011, pp. 
1059-1078.

All data were downloaded from the Philadelphia Fed at:

http://www.philadelphiafed.org/research-and-data/real-time-center/survey-of-professional-forecasters/

The data that were used are in the file emw-data.txt, an ASCII file in 
DOS format, which is zipped in emw-data.zip. Unix/Linux users should use 
"unzip -a".

Column 1: Forecasted year

Column 2: ID assigned by Philadelphia Fed

Column 3: Dummy for whether the probabilistic forecast concerns GDP 
          growth or inflation

Column 4-13: probability mass placed in each of the ten bins

Column 14: How many quarters ahead the forecast is being made