Equal Pay Negotiations LLC

Achieving Equal Pay by Consulting for Employers, Employees, and Policy Makers

Salary Negotiation: A Reason to have Paid Attention in Algebra Class

Remember math word problems in high school? “Why do we need to figure out when two trains will meet each other?” asked many a high school student.  Quickly followed by the ever popular lament,  “I’ll never use Algebra in real life.”  Well, we were wrong.  One place to use Algebra is salary negotiation.  We need it to figure out what salary we should target; what salary we should ask for; and what salary will be the rock bottom.

Here is our word problem of the day.  Lilly has been offered a job as a Civil Engineer in Dallas, TX.    The job offer includes a starting salary of $80,000.  What salary should Lilly state as her counter-offer?

Unlike in high school, this is a word problem that does not include all the information.  You will need to do some research on your own.  The first thing is to find out about the salaries for civil engineers in Dallas, TX.  A quick search on Salary.com and we find that there are many levels of Civil Engineers.

For this example, we have selected Civil Engineer III as the appropriate level.  According to Salary.com the median salary is $78,480.  At first glance an offer of $80,000 seems good.

Remember here at EqualPayNegotiations.com our goal is to negotiate a salary that is on par with what the boys make.  To do this we will need to consider exactly what the median salary means.   Consider these two facts:

  1. Approximately 50% of the US population is male (49.2%) and female (50.8%) according to the US 2010 Census
  2. American women earn 23% less then men according to the US Dept of Commerce.  This would equal 77 cents to each dollar a man earns.

That would mean that the median (50% of Civil Engineers in Dallas make less and 50% of Civil Engineers in Dallas make more than $78,480) would not be an accurate depiction of the amount men make in the field.

When you do not know the ratio of men to women working in a field, I recommend using the following calculations to determine the median by sex. This will assume the 50/50 split in population carries to any particular field.

M = 0.885X

Median for All = M

Median for Men = X

Median for Women = 0.77 X

50/50 split in population

$78,480 = 0.5 X + (0.5) 0.77X

$78,480 = 0.5X + 0.385 X

$78,480 = 0.885 X

$78,480/0.885 = X

$88,677.97 = X = Median Salary for Men

(.77) $88,677.97 = $68,282.03 = Median Salary for Women

The $80,000 offer that at first glance seemed very accurate now seems too low by more then $8,600.    Based on this information, I would counter with a salary near the 95% range of  $94,000.  We need to ask for more than what we want so $94,000 will give room for additional negotiations if necessary.  Then again, this is all based on getting the median salary assuming Lilly is the typical civil engineer with the typical experience.

When you do know the ratio of men to women working in a field, I recommend incorporating that ratio to get more accurate data for your negotiations.  I have found one source that cites that women make up 10.8% of civil engineers.

Thus the formula needs to be adjusted.

M = (% of men in field) X + (% of women in field) 0.77X

Median for All = M

Median for Men = X

Median for Women = 0.77 X

89.2/10.8 split in population

$78,480 = 0.892X + (0.108) 0.77X

$78,480 =0 .892X +0.0832X

$78,480 = 0.975X

$78,480/ 0.975 = X

$80,492 = X = Median Salary for Men

(.77) $80,492 = $61,978.84 = Median Salary for Women

Knowing the make up of the field does change perspective.  The $80,000 salary once again looks acceptable yet we still want to counter the offer.  Remember the first salary offer is like the sticker price of a car.  There is typically if not always room for improvement.  My counter would be in the range of the 75% ($86K) to 90% ($94K).  What would your’s be?

© Copyright 2011, Katie Donovan. All rights reserved. Reproduction without explicit permission is prohibited

2 comments on “Salary Negotiation: A Reason to have Paid Attention in Algebra Class

  1. childhood
    August 6, 2011

    Youre so cool! I dont suppose Ive read something like this before. So good to find any person with some original ideas on this subject. realy thank you for starting this up. this web site is something that is wanted on the net, someone with a bit originality. helpful job for bringing one thing new to the web!

  2. education
    August 6, 2011

    It’s hard to seek out knowledgeable folks on this topic, but you sound like you already know what you’re talking about! Thanks

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