The Congressional Budget Office (CBO) describes its projections as more tentative than usual because the increase in CBO's productivity growth assumption is based on data only for the past few years.
The CBO needs 10 more years of data to provide a more accurate assumption of productivity growth.
mnli hypothesis: The CBO needs 10 more years of data to provide a more accurate assumption of productivity growth. premise: The Congressional Budget Office (CBO) describes its projections as more tentative than usual because the increase in CBO's productivity growth assumption is based on data only for the past few years.