Source: DiCecio, Riccardo
This series was discontinued. Under the new NIPA organization, Equipment and Software is presented as two separate series. Current equipment deflator is available at https://fred.stlouisfed.org/series/EDEF.
For additional details see: R. DiCecio (2009). "Sticky wages and sectoral labor comovement," Journal of Economic Dynamics and Control, 33(3): 538-53. (http://dx.doi.org/10.1016/j.jedc.2008.08.003).
DiCecio, Riccardo, Equipment and Software Deflator (DISCONTINUED) [ESDEF], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/ESDEF, April 16, 2021.