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Economic value added or economic profit is the difference between revenues and costs,where costs include not only expenses, but also cost of capital.

Economic Profit
Net Operating Profit after Taxes (NOPAT)
Cash Operating Taxes
Invested Capital
Cost of Capital
Economic Spread
Economic Profit Margin

AT&T Inc., economic profit calculation

USD $ in millions

	12 months ended	Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Net operating profit after taxes (NOPAT)¹
	Cost of capital²
	Invested capital³

	Economic profit⁴

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ NOPAT. See Details »

² Cost of capital. See Details »

³ Invested capital. See Details »

⁴ Economic profit = NOPAT – Cost of capital × Invested capital
= hidden – hidden × hidden = hidden

Item	Description	The company
Economic profit	Economic profit is a measure of corporate performance computed by taking the spread between the return on invested capital and the cost of capital, and multiplying by the invested capital.	AT&T Inc.’s economic profit declined from 2016 to 2017 but then increased from 2017 to 2018 exceeding 2016 level.

AT&T Inc., NOPAT calculation

USD $ in millions

	12 months ended	Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Net income attributable to AT&T
	Deferred income tax expense (benefit)¹
	Increase (decrease) in allowances for doubtful accounts²
	Increase (decrease) in equity equivalents³
	Interest expense
	Interest expense, operating lease obligations⁴
	Adjusted interest expense
	Tax benefit of interest expense⁵
	Adjusted interest expense, after taxes⁶
	(Gain) loss on marketable securities
	Investment income, before taxes
	Tax expense (benefit) of investment income⁷
	Investment income, after taxes⁸
	Net income (loss) attributable to noncontrolling interest
	Net operating profit after taxes (NOPAT)

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

2018 Calculations

¹ Elimination of deferred tax expense. See Details »

² Addition of increase (decrease) in allowances for doubtful accounts.

³ Addition of increase (decrease) in equity equivalents to net income attributable to AT&T.

⁴ Addition of interest expense on capitalized operating leases. See Details »

⁵ Tax benefit of interest expense = Adjusted interest expense × Statutory income tax rate
= hidden × 21.00% = hidden

⁶ Addition of after taxes interest expense to net income attributable to AT&T.

⁷ Tax expense (benefit) of investment income = Investment income, before tax × Statutory income tax rate
= hidden × 21.00% = hidden

⁸ Elimination of after taxes investment income.

Item	Description	The company
NOPAT	Net operating profit after taxes is income from operations, but after removement of taxes calculated on cash basis that are relevant to operating income.	AT&T Inc.’s NOPAT declined from 2016 to 2017 but then increased from 2017 to 2018 exceeding 2016 level.

AT&T Inc., cash operating taxes calculation

USD $ in millions

	12 months ended	Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Income tax expense (benefit)
	Less: Deferred income tax expense (benefit)
	Add: Tax savings from interest expense
	Less: Tax imposed on investment income
	Cash operating taxes

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

Item	Description	The company
Cash operating taxes	Cash operating taxes are estimated by adjusting income tax expense for changes in deferred taxes and tax benefit from the interest deduction.	AT&T Inc.’s cash operating taxes declined from 2016 to 2017 but then increased from 2017 to 2018 exceeding 2016 level.

AT&T Inc., invested capital calculation (financing approach)

USD $ in millions

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Debt maturing within one year
	Long-term debt, excluding maturing within one year
	PV of operating lease payments¹
	Total reported debt & leases
	Stockholders’ equity attributable to AT&T
	Net deferred tax (assets) liabilities²
	Allowances for doubtful accounts³
	Equity equivalents⁴
	Accumulated other comprehensive (income) loss, net of tax⁵
	Noncontrolling interest
	Adjusted stockholders’ equity attributable to AT&T
	Under construction⁶
	Investment securities⁷
	Invested capital

Based on: 10-K (filing date: 2019-02-20), 10-K (filing date: 2018-02-20), 10-K (filing date: 2017-02-17), 10-K (filing date: 2016-02-18), 10-K (filing date: 2015-02-20).

¹ Addition of capitalized operating leases. See Details »

² Elimination of deferred taxes from assets and liabilities. See Details »

³ Addition of allowance for doubtful accounts receivable.

⁴ Addition of equity equivalents to stockholders’ equity attributable to AT&T.

⁵ Removal of accumulated other comprehensive income.

⁶ Subtraction of under construction.

⁷ Subtraction of investment securities.

Item	Description	The company
Invested capital	Capital is an approximation of the economic book value of all cash invested in going-concern business activities.	AT&T Inc.’s invested capital increased from 2016 to 2017 and from 2017 to 2018.

AT&T Inc., cost of capital calculations


Equity²	÷	=	×		=
Debt³	÷	=	×	× (1 – 21.00%)	=
PV of operating lease payments⁴	÷	=	×	× (1 – 21.00%)	=
Total:

Based on: 10-K (filing date: 2019-02-20).

¹ USD $ in millions

² Equity. See Details »

³ Debt. See Details »