Operating expense refers to the recurring costs incurred in the daily operations of a business, excluding capital expenditures. Authors such as the American School of Correspondence emphasize its role in evaluating operational efficiency, noting that increasing expenses may indicate deteriorating economic performance. Legal scholars like Pierce Butler and Charles Evans Hughes examine its significance in public utility regulation, differentiating it from capital or maintenance costs and connecting it to rate-setting and profitability.
Bertram Benedict identifies areas where operating expenses can be minimized through centralized management, while Henry Earle Riggs views them as essential for determining the actual cost of establishing and maintaining a business. These viewpoints collectively highlight operating expense as a key factor in assessing revenue, depreciation, and net income.