BOEING CO | 2013 | FY | 3

The following is a reconciliation of the U.S. federal statutory tax rate of 35% to our effective income tax rate:
Years ended December 31,
2013

 
2012

 
2011

U.S. federal statutory tax
35.0
 %
 
35.0
 %
 
35.0
 %
Research and development credits
(4.9
)
 
0.8

 
(2.7
)
Proposed amendments to the R&E regulations
(3.4
)
 


 


Tax on international activities
(0.1
)
 
(1.2
)
 
(0.6
)
Tax deductible dividends
(0.6
)
 
(0.7
)
 
(0.8
)
State income tax provision, net of effect on U.S. federal tax
0.4

 
0.8

 
0.7

Federal audit settlement


 


 
(7.4
)
Other provision adjustments


 
(0.7
)
 
1.4

Effective income tax rate
26.4
 %
 
34.0
 %
 
25.6
 %

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