>Where can you find the time series data on this? Has anyone taken
>up Eisner's suggestion and developed time-series estimates for how
>much of "G" has been govt. consumption and how much govt. investment?
The NIPA revisions of a couple of years ago started reporting government consumption and investment. You can get the NIPA tables at <http://www.bea.doc.gov/bea/dn/nipaweb/>. Scroll down to section 3 for the government tables.
Doug