Why net depreciation from capex for computing reinvestment rate

We recently came across a question on Quora about why Prof. Damodaran subtracts “depreciation from capex when computing the reinvestment rate of a business.” It further goes on to state the following: "In his book, [Prof. Damodaran] seems to argue that depreciation is a cash inflow that pays for a part of capex, but I don't … Continue reading Why net depreciation from capex for computing reinvestment rate