Abstract This article presents a study on the regulation, implied revenue requirements, and methods of depreciation in accounting in the U.S. The choice between flow-through and normalization accounting procedures, assuming accelerated depreciation is used for taxes, is not clear. The theory of accounting, if it is assumed that straight line depreciation is correct, points to increasing the early depreciation expense with the use of accelerated depreciation for taxes compared with the amount of expense if straight-line depreciation is used for taxes. However, in practice the issue is complicated by the fact that straight-line depreciation may not be correct, thus, the adjustment may actually be causing more errors.
Harold Bierman (Mon,) studied this question.
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