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AT&T Inc. (T)

DuPont Analysis: Decomposition of ROE
Quarterly Data

Difficulty: Beginner

Decomposing ROE involves expressing net income divided by shareholders’ equity as the product of component ratios.

Two-Component Disaggregation of ROE
Three-Component Disaggregation of ROE
Five-Component Disaggregation of ROE
Two-Way Decomposition of ROA
Four-Way Decomposition of ROA
Decomposition of Net Profit Margin

Two-Component Disaggregation of ROE

AT&T Inc., decomposition of ROE (quarterly data)

	ROE	=	ROA	×	Leverage

Mar 31, 2019		=		×
Dec 31, 2018		=		×
Sep 30, 2018		=		×
Jun 30, 2018		=		×
Mar 31, 2018		=		×
Dec 31, 2017		=		×
Sep 30, 2017		=		×
Jun 30, 2017		=		×
Mar 31, 2017		=		×
Dec 31, 2016		=		×
Sep 30, 2016		=		×
Jun 30, 2016		=		×
Mar 31, 2016		=		×
Dec 31, 2015		=		×
Sep 30, 2015		=		×
Jun 30, 2015		=		×
Mar 31, 2015		=		×
Dec 31, 2014		=		×
Sep 30, 2014		=		×
Jun 30, 2014		=		×
Mar 31, 2014		=		×

Based on: 10-Q (filing date: 2019-05-06), 10-K (filing date: 2019-02-20), 10-Q (filing date: 2018-11-02), 10-Q (filing date: 2018-08-02), 10-Q (filing date: 2018-05-03), 10-K (filing date: 2018-02-20), 10-Q (filing date: 2017-11-03), 10-Q (filing date: 2017-08-03), 10-Q (filing date: 2017-05-04), 10-K (filing date: 2017-02-17), 10-Q (filing date: 2016-11-03), 10-Q (filing date: 2016-08-04), 10-Q (filing date: 2016-05-05), 10-K (filing date: 2016-02-18), 10-Q (filing date: 2015-11-06), 10-Q (filing date: 2015-08-07), 10-Q (filing date: 2015-05-05), 10-K (filing date: 2015-02-20), 10-Q (filing date: 2014-11-10), 10-Q (filing date: 2014-08-01), 10-Q (filing date: 2014-05-02).

The primary reason for the decrease in Return on Equity (ROE) over Q1 2019 is the decrease in profitability measured by Return on Assets (ROA).

Three-Component Disaggregation of ROE

AT&T Inc., decomposition of ROE (quarterly data)

	ROE	=	Net Profit Margin	×	Asset Turnover	×	Leverage

Mar 31, 2019		=		×		×
Dec 31, 2018		=		×		×
Sep 30, 2018		=		×		×
Jun 30, 2018		=		×		×
Mar 31, 2018		=		×		×
Dec 31, 2017		=		×		×
Sep 30, 2017		=		×		×
Jun 30, 2017		=		×		×
Mar 31, 2017		=		×		×
Dec 31, 2016		=		×		×
Sep 30, 2016		=		×		×
Jun 30, 2016		=		×		×
Mar 31, 2016		=		×		×
Dec 31, 2015		=		×		×
Sep 30, 2015		=		×		×
Jun 30, 2015		=		×		×
Mar 31, 2015		=		×		×
Dec 31, 2014		=		×		×
Sep 30, 2014		=		×		×
Jun 30, 2014		=		×		×
Mar 31, 2014		=		×		×

Based on: 10-Q (filing date: 2019-05-06), 10-K (filing date: 2019-02-20), 10-Q (filing date: 2018-11-02), 10-Q (filing date: 2018-08-02), 10-Q (filing date: 2018-05-03), 10-K (filing date: 2018-02-20), 10-Q (filing date: 2017-11-03), 10-Q (filing date: 2017-08-03), 10-Q (filing date: 2017-05-04), 10-K (filing date: 2017-02-17), 10-Q (filing date: 2016-11-03), 10-Q (filing date: 2016-08-04), 10-Q (filing date: 2016-05-05), 10-K (filing date: 2016-02-18), 10-Q (filing date: 2015-11-06), 10-Q (filing date: 2015-08-07), 10-Q (filing date: 2015-05-05), 10-K (filing date: 2015-02-20), 10-Q (filing date: 2014-11-10), 10-Q (filing date: 2014-08-01), 10-Q (filing date: 2014-05-02).

The primary reason for the decrease in Return on Equity (ROE) over Q1 2019 is the decrease in profitability measured by Net Profit Margin.

Five-Component Disaggregation of ROE

AT&T Inc., decomposition of ROE (quarterly data)

	ROE	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover	×	Leverage

Mar 31, 2019		=		×		×		×		×
Dec 31, 2018		=		×		×		×		×
Sep 30, 2018		=		×		×		×		×
Jun 30, 2018		=		×		×		×		×
Mar 31, 2018		=		×		×		×		×
Dec 31, 2017		=		×		×		×		×
Sep 30, 2017		=		×		×		×		×
Jun 30, 2017		=		×		×		×		×
Mar 31, 2017		=		×		×		×		×
Dec 31, 2016		=		×		×		×		×
Sep 30, 2016		=		×		×		×		×
Jun 30, 2016		=		×		×		×		×
Mar 31, 2016		=		×		×		×		×
Dec 31, 2015		=		×		×		×		×
Sep 30, 2015		=		×		×		×		×
Jun 30, 2015		=		×		×		×		×
Mar 31, 2015		=		×		×		×		×
Dec 31, 2014		=		×		×		×		×
Sep 30, 2014		=		×		×		×		×
Jun 30, 2014		=		×		×		×		×
Mar 31, 2014		=		×		×		×		×

Based on: 10-Q (filing date: 2019-05-06), 10-K (filing date: 2019-02-20), 10-Q (filing date: 2018-11-02), 10-Q (filing date: 2018-08-02), 10-Q (filing date: 2018-05-03), 10-K (filing date: 2018-02-20), 10-Q (filing date: 2017-11-03), 10-Q (filing date: 2017-08-03), 10-Q (filing date: 2017-05-04), 10-K (filing date: 2017-02-17), 10-Q (filing date: 2016-11-03), 10-Q (filing date: 2016-08-04), 10-Q (filing date: 2016-05-05), 10-K (filing date: 2016-02-18), 10-Q (filing date: 2015-11-06), 10-Q (filing date: 2015-08-07), 10-Q (filing date: 2015-05-05), 10-K (filing date: 2015-02-20), 10-Q (filing date: 2014-11-10), 10-Q (filing date: 2014-08-01), 10-Q (filing date: 2014-05-02).

The primary reason for the decrease in Return on Equity (ROE) over Q1 2019 is the decrease in operating profitability measured by EBIT Margin.

Two-Way Decomposition of ROA

AT&T Inc., decomposition of ROA (quarterly data)

	ROA	=	Net Profit Margin	×	Asset Turnover

Mar 31, 2019		=		×
Dec 31, 2018		=		×
Sep 30, 2018		=		×
Jun 30, 2018		=		×
Mar 31, 2018		=		×
Dec 31, 2017		=		×
Sep 30, 2017		=		×
Jun 30, 2017		=		×
Mar 31, 2017		=		×
Dec 31, 2016		=		×
Sep 30, 2016		=		×
Jun 30, 2016		=		×
Mar 31, 2016		=		×
Dec 31, 2015		=		×
Sep 30, 2015		=		×
Jun 30, 2015		=		×
Mar 31, 2015		=		×
Dec 31, 2014		=		×
Sep 30, 2014		=		×
Jun 30, 2014		=		×
Mar 31, 2014		=		×

Based on: 10-Q (filing date: 2019-05-06), 10-K (filing date: 2019-02-20), 10-Q (filing date: 2018-11-02), 10-Q (filing date: 2018-08-02), 10-Q (filing date: 2018-05-03), 10-K (filing date: 2018-02-20), 10-Q (filing date: 2017-11-03), 10-Q (filing date: 2017-08-03), 10-Q (filing date: 2017-05-04), 10-K (filing date: 2017-02-17), 10-Q (filing date: 2016-11-03), 10-Q (filing date: 2016-08-04), 10-Q (filing date: 2016-05-05), 10-K (filing date: 2016-02-18), 10-Q (filing date: 2015-11-06), 10-Q (filing date: 2015-08-07), 10-Q (filing date: 2015-05-05), 10-K (filing date: 2015-02-20), 10-Q (filing date: 2014-11-10), 10-Q (filing date: 2014-08-01), 10-Q (filing date: 2014-05-02).

The primary reason for the decrease in Return on Assets (ROA) over Q1 2019 is the decrease in profitability measured by Net Profit Margin.

Four-Way Decomposition of ROA

AT&T Inc., decomposition of ROA (quarterly data)

	ROA	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover

Mar 31, 2019		=		×		×		×
Dec 31, 2018		=		×		×		×
Sep 30, 2018		=		×		×		×
Jun 30, 2018		=		×		×		×
Mar 31, 2018		=		×		×		×
Dec 31, 2017		=		×		×		×
Sep 30, 2017		=		×		×		×
Jun 30, 2017		=		×		×		×
Mar 31, 2017		=		×		×		×
Dec 31, 2016		=		×		×		×
Sep 30, 2016		=		×		×		×
Jun 30, 2016		=		×		×		×
Mar 31, 2016		=		×		×		×
Dec 31, 2015		=		×		×		×
Sep 30, 2015		=		×		×		×
Jun 30, 2015		=		×		×		×
Mar 31, 2015		=		×		×		×
Dec 31, 2014		=		×		×		×
Sep 30, 2014		=		×		×		×
Jun 30, 2014		=		×		×		×
Mar 31, 2014		=		×		×		×

Based on: 10-Q (filing date: 2019-05-06), 10-K (filing date: 2019-02-20), 10-Q (filing date: 2018-11-02), 10-Q (filing date: 2018-08-02), 10-Q (filing date: 2018-05-03), 10-K (filing date: 2018-02-20), 10-Q (filing date: 2017-11-03), 10-Q (filing date: 2017-08-03), 10-Q (filing date: 2017-05-04), 10-K (filing date: 2017-02-17), 10-Q (filing date: 2016-11-03), 10-Q (filing date: 2016-08-04), 10-Q (filing date: 2016-05-05), 10-K (filing date: 2016-02-18), 10-Q (filing date: 2015-11-06), 10-Q (filing date: 2015-08-07), 10-Q (filing date: 2015-05-05), 10-K (filing date: 2015-02-20), 10-Q (filing date: 2014-11-10), 10-Q (filing date: 2014-08-01), 10-Q (filing date: 2014-05-02).

The primary reason for the decrease in Return on Assets (ROA) over Q1 2019 is the decrease in operating profitability measured by EBIT Margin.

Decomposition of Net Profit Margin

AT&T Inc., decomposition of Net Profit Margin (quarterly data)

	Net Profit Margin	=	Tax Burden	×	Interest Burden	×	EBIT Margin

Mar 31, 2019		=		×		×
Dec 31, 2018		=		×		×
Sep 30, 2018		=		×		×
Jun 30, 2018		=		×		×
Mar 31, 2018		=		×		×
Dec 31, 2017		=		×		×
Sep 30, 2017		=		×		×
Jun 30, 2017		=		×		×
Mar 31, 2017		=		×		×
Dec 31, 2016		=		×		×
Sep 30, 2016		=		×		×
Jun 30, 2016		=		×		×
Mar 31, 2016		=		×		×
Dec 31, 2015		=		×		×
Sep 30, 2015		=		×		×
Jun 30, 2015		=		×		×
Mar 31, 2015		=		×		×
Dec 31, 2014		=		×		×
Sep 30, 2014		=		×		×
Jun 30, 2014		=		×		×
Mar 31, 2014		=		×		×

Based on: 10-Q (filing date: 2019-05-06), 10-K (filing date: 2019-02-20), 10-Q (filing date: 2018-11-02), 10-Q (filing date: 2018-08-02), 10-Q (filing date: 2018-05-03), 10-K (filing date: 2018-02-20), 10-Q (filing date: 2017-11-03), 10-Q (filing date: 2017-08-03), 10-Q (filing date: 2017-05-04), 10-K (filing date: 2017-02-17), 10-Q (filing date: 2016-11-03), 10-Q (filing date: 2016-08-04), 10-Q (filing date: 2016-05-05), 10-K (filing date: 2016-02-18), 10-Q (filing date: 2015-11-06), 10-Q (filing date: 2015-08-07), 10-Q (filing date: 2015-05-05), 10-K (filing date: 2015-02-20), 10-Q (filing date: 2014-11-10), 10-Q (filing date: 2014-08-01), 10-Q (filing date: 2014-05-02).

The primary reason for the decrease in Net Profit Margin over Q1 2019 is the decrease in operating profitability measured by EBIT Margin.

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