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General Dynamics Corp. (GD)

DuPont Analysis: Decomposition of ROE

Difficulty: Beginner

  • Annual Data
  • Quarterly Data

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

    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

    Source: Based on data from General Dynamics Corp. Annual Reports

     

    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

    Source: Based on data from General Dynamics Corp. Annual Reports

     

    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

    Source: Based on data from General Dynamics Corp. Annual Reports

     

    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

    Source: Based on data from General Dynamics Corp. Annual Reports

     

    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

    Source: Based on data from General Dynamics Corp. Annual Reports

     

    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%

    Source: Based on data from General Dynamics Corp. Annual Reports

     

    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.