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Microsoft Excel LibreOffice Calc

Time Warner Inc. (NYSE:TWX)


DuPont Analysis: Disaggregation of ROE, ROA, and Net Profit Margin

Beginner level


Two-Component Disaggregation of ROE

Time Warner Inc., decomposition of ROE

Microsoft Excel LibreOffice Calc
ROE = ROA × Financial Leverage
Dec 31, 2017 18.49% = 7.58% × 2.44
Dec 31, 2016 16.13% = 5.95% × 2.71
Dec 31, 2015 16.23% = 6.00% × 2.70
Dec 31, 2014 15.64% = 6.05% × 2.58
Dec 31, 2013 12.34% = 5.43% × 2.27

Based on: 10-K (filing date: 2018-02-22), 10-K (filing date: 2017-02-23), 10-K (filing date: 2016-02-25), 10-K (filing date: 2015-02-26), 10-K (filing date: 2014-02-26).

The primary reason for the increase in return on equity ratio (ROE) over 2017 year is the increase in profitability measured by return on assets ratio (ROA).


Three-Component Disaggregation of ROE

Time Warner Inc., decomposition of ROE

Microsoft Excel LibreOffice Calc
ROE = Net Profit Margin × Asset Turnover × Financial Leverage
Dec 31, 2017 18.49% = 16.78% × 0.45 × 2.44
Dec 31, 2016 16.13% = 13.39% × 0.44 × 2.71
Dec 31, 2015 16.23% = 13.63% × 0.44 × 2.70
Dec 31, 2014 15.64% = 13.99% × 0.43 × 2.58
Dec 31, 2013 12.34% = 12.39% × 0.44 × 2.27

Based on: 10-K (filing date: 2018-02-22), 10-K (filing date: 2017-02-23), 10-K (filing date: 2016-02-25), 10-K (filing date: 2015-02-26), 10-K (filing date: 2014-02-26).

The primary reason for the increase in return on equity ratio (ROE) over 2017 year is the increase in profitability measured by net profit margin ratio.


Five-Component Disaggregation of ROE

Time Warner Inc., decomposition of ROE

Microsoft Excel LibreOffice Calc
ROE = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover × Financial Leverage
Dec 31, 2017 18.49% = 0.88 × 0.83 × 22.90% × 0.45 × 2.44
Dec 31, 2016 16.13% = 0.75 × 0.79 × 22.49% × 0.44 × 2.71
Dec 31, 2015 16.23% = 0.70 × 0.80 × 24.42% × 0.44 × 2.70
Dec 31, 2014 15.64% = 0.83 × 0.77 × 21.80% × 0.43 × 2.58
Dec 31, 2013 12.34% = 0.68 × 0.81 × 22.56% × 0.44 × 2.27

Based on: 10-K (filing date: 2018-02-22), 10-K (filing date: 2017-02-23), 10-K (filing date: 2016-02-25), 10-K (filing date: 2015-02-26), 10-K (filing date: 2014-02-26).

The primary reason for the increase in return on equity ratio (ROE) over 2017 year is the increase in effect of taxes measured by tax burden ratio.


Two-Component Disaggregation of ROA

Time Warner Inc., decomposition of ROA

Microsoft Excel LibreOffice Calc
ROA = Net Profit Margin × Asset Turnover
Dec 31, 2017 7.58% = 16.78% × 0.45
Dec 31, 2016 5.95% = 13.39% × 0.44
Dec 31, 2015 6.00% = 13.63% × 0.44
Dec 31, 2014 6.05% = 13.99% × 0.43
Dec 31, 2013 5.43% = 12.39% × 0.44

Based on: 10-K (filing date: 2018-02-22), 10-K (filing date: 2017-02-23), 10-K (filing date: 2016-02-25), 10-K (filing date: 2015-02-26), 10-K (filing date: 2014-02-26).

The primary reason for the increase in return on assets ratio (ROA) over 2017 year is the increase in profitability measured by net profit margin ratio.


Four-Component Disaggregation of ROA

Time Warner Inc., decomposition of ROA

Microsoft Excel LibreOffice Calc
ROA = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover
Dec 31, 2017 7.58% = 0.88 × 0.83 × 22.90% × 0.45
Dec 31, 2016 5.95% = 0.75 × 0.79 × 22.49% × 0.44
Dec 31, 2015 6.00% = 0.70 × 0.80 × 24.42% × 0.44
Dec 31, 2014 6.05% = 0.83 × 0.77 × 21.80% × 0.43
Dec 31, 2013 5.43% = 0.68 × 0.81 × 22.56% × 0.44

Based on: 10-K (filing date: 2018-02-22), 10-K (filing date: 2017-02-23), 10-K (filing date: 2016-02-25), 10-K (filing date: 2015-02-26), 10-K (filing date: 2014-02-26).

The primary reason for the increase in return on assets ratio (ROA) over 2017 year is the increase in effect of taxes measured by tax burden ratio.


Disaggregation of Net Profit Margin

Time Warner Inc., decomposition of net profit margin ratio

Microsoft Excel LibreOffice Calc
Net Profit Margin = Tax Burden × Interest Burden × EBIT Margin
Dec 31, 2017 16.78% = 0.88 × 0.83 × 22.90%
Dec 31, 2016 13.39% = 0.75 × 0.79 × 22.49%
Dec 31, 2015 13.63% = 0.70 × 0.80 × 24.42%
Dec 31, 2014 13.99% = 0.83 × 0.77 × 21.80%
Dec 31, 2013 12.39% = 0.68 × 0.81 × 22.56%

Based on: 10-K (filing date: 2018-02-22), 10-K (filing date: 2017-02-23), 10-K (filing date: 2016-02-25), 10-K (filing date: 2015-02-26), 10-K (filing date: 2014-02-26).

The primary reason for the increase in net profit margin ratio over 2017 year is the increase in effect of taxes measured by tax burden ratio.