Microsoft Excel LibreOffice Calc

DuPont Analysis: Decomposition of ROE

Difficulty: Beginner


Two-Component Disaggregation of ROE

General Dynamics Corp., decomposition of ROE

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ROE = ROA × Leverage
Dec 31, 2017 25.47% 8.31% 3.06
Dec 31, 2016 26.92% 8.99% 2.99
Dec 31, 2015 27.61% 9.27% 2.98
Dec 31, 2014 21.41% 7.16% 2.99
Dec 31, 2013 16.25% 6.65% 2.44

Based on: 10-K (filing date: 2018-02-12), 10-K (filing date: 2017-02-06), 10-K (filing date: 2016-02-08), 10-K (filing date: 2015-02-09), 10-K (filing date: 2014-02-07).

The primary reason for the decrease in Return on Equity (ROE) over 2017 year is the decrease in profitability measured by Return on Assets (ROA).


Three-Component Disaggregation of ROE

General Dynamics Corp., decomposition of ROE

Microsoft Excel LibreOffice Calc
ROE = Net Profit Margin × Asset Turnover × Leverage
Dec 31, 2017 25.47% 9.40% 0.88 3.06
Dec 31, 2016 26.92% 9.42% 0.95 2.99
Dec 31, 2015 27.61% 9.42% 0.98 2.98
Dec 31, 2014 21.41% 8.21% 0.87 2.99
Dec 31, 2013 16.25% 7.55% 0.88 2.44

Based on: 10-K (filing date: 2018-02-12), 10-K (filing date: 2017-02-06), 10-K (filing date: 2016-02-08), 10-K (filing date: 2015-02-09), 10-K (filing date: 2014-02-07).

The primary reason for the decrease in Return on Equity (ROE) over 2017 year is the decrease in efficiency measured by Asset Turnover.


Five-Component Disaggregation of ROE

General Dynamics Corp., decomposition of ROE

Microsoft Excel LibreOffice Calc
ROE = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover × Leverage
Dec 31, 2017 25.47% 0.71 0.97 13.54% 0.88 3.06
Dec 31, 2016 26.92% 0.72 0.98 13.47% 0.95 2.99
Dec 31, 2015 27.61% 0.72 0.98 13.35% 0.98 2.98
Dec 31, 2014 21.41% 0.69 0.97 12.20% 0.87 2.99
Dec 31, 2013 16.25% 0.68 0.97 11.47% 0.88 2.44

Based on: 10-K (filing date: 2018-02-12), 10-K (filing date: 2017-02-06), 10-K (filing date: 2016-02-08), 10-K (filing date: 2015-02-09), 10-K (filing date: 2014-02-07).

The primary reason for the decrease in Return on Equity (ROE) over 2017 year is the decrease in efficiency measured by Asset Turnover.


Two-Way Decomposition of ROA

General Dynamics Corp., decomposition of ROA

Microsoft Excel LibreOffice Calc
ROA = Net Profit Margin × Asset Turnover
Dec 31, 2017 8.31% 9.40% 0.88
Dec 31, 2016 8.99% 9.42% 0.95
Dec 31, 2015 9.27% 9.42% 0.98
Dec 31, 2014 7.16% 8.21% 0.87
Dec 31, 2013 6.65% 7.55% 0.88

Based on: 10-K (filing date: 2018-02-12), 10-K (filing date: 2017-02-06), 10-K (filing date: 2016-02-08), 10-K (filing date: 2015-02-09), 10-K (filing date: 2014-02-07).

The primary reason for the decrease in Return on Assets (ROA) over 2017 year is the decrease in Asset Turnover.


Four-Way Decomposition of ROA

General Dynamics Corp., decomposition of ROA

Microsoft Excel LibreOffice Calc
ROA = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover
Dec 31, 2017 8.31% 0.71 0.97 13.54% 0.88
Dec 31, 2016 8.99% 0.72 0.98 13.47% 0.95
Dec 31, 2015 9.27% 0.72 0.98 13.35% 0.98
Dec 31, 2014 7.16% 0.69 0.97 12.20% 0.87
Dec 31, 2013 6.65% 0.68 0.97 11.47% 0.88

Based on: 10-K (filing date: 2018-02-12), 10-K (filing date: 2017-02-06), 10-K (filing date: 2016-02-08), 10-K (filing date: 2015-02-09), 10-K (filing date: 2014-02-07).

The primary reason for the decrease in Return on Assets (ROA) over 2017 year is the decrease in efficiency measured by Asset Turnover.


Decomposition of Net Profit Margin

General Dynamics Corp., decomposition of Net Profit Margin

Microsoft Excel LibreOffice Calc
Net Profit Margin = Tax Burden × Interest Burden × EBIT Margin
Dec 31, 2017 9.40% 0.71 0.97 13.54%
Dec 31, 2016 9.42% 0.72 0.98 13.47%
Dec 31, 2015 9.42% 0.72 0.98 13.35%
Dec 31, 2014 8.21% 0.69 0.97 12.20%
Dec 31, 2013 7.55% 0.68 0.97 11.47%

Based on: 10-K (filing date: 2018-02-12), 10-K (filing date: 2017-02-06), 10-K (filing date: 2016-02-08), 10-K (filing date: 2015-02-09), 10-K (filing date: 2014-02-07).

The primary reason for the decrease in Net Profit Margin over 2017 year is the decrease in effect of interest expense measured by Interest Burden.