Metrics similar to Return on Common Equity in the efficiency category include:
Gross Profit / Total Assets - A ratio that measures the amount of gross profit the company generates as a percentage of total assets.
EBITDA minus CAPEX Margin - Earnings before interest, taxes, depreciation and amortization (EBITDA) minus capital expenditures expressed as a percent of revenue.
EBITDA - CAPEX - Earnings before interest, taxes, depreciation and amortization (EBITDA) minus capital expenditures.
EBITDA - 3Yr Avg CapEx - Earnings before interest, taxes, depreciation and amortization (EBITDA) minus three year average capital expenditures.