Source: DiCecio, Riccardo
Relative price of equipment and software is calculated as equipment and software deflator (https://fred.stlouisfed.org/series/ESDEF) divided by consumption deflator (https://fred.stlouisfed.org/series/CONSDEF).
This series was discontinued. Under the new NIPA organization, Equipment and Software is presented as two separate series. Current relative price of equipment is available at https://fred.stlouisfed.org/series/PERIC
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, Relative Price of Equipment and Software (DISCONTINUED) [PERICD], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PERICD, October 6, 2022.