CBO describes how it uses its capital tax model, called CapTax, to estimate the effects that changes in deductions to recover the cost of new investment have on the incentives to invest in capital.
CBO’s economic forecast reflects current law, including the expiration, at the end of 2025, of some provisions of the 2017 tax act. CBO analyzed how the expiration of those provisions affected projections that it published in February 2024.