The empirical relationship used to estimate growth of multifactor productivity by the basic growth-accounting methodology is shown below:
Where:
α = Share of labor cost in output
β = Share of capital cost in output
γ = Share of intermediate inputs cost in output.
![uppercase delta uppercase t over uppercase t = uppercase delta uppercase q over uppercase q minus [(lowercase alpha * uppercase delta Labor over Labor) + (lowercase beta * uppercase delta Capital over Capital) = (lowercase gamma * uppercase delta Intermediate Inputs over Intermediate Inputs)]](https://webarchive.library.unt.edu/eot2008/20081010124925im_/http://www.bts.gov/programs/economics_and_finance/estimating_multifactor_productivity_in_truck_transportation/images/equation_01.gif)
