<p>You are probably aware of who Gregory Mankiw is. Well he answers this question, and gives some useful advice. </p>
<p>[Greg</a> Mankiw’s Blog: Love Econ, Bad at Math](<a href=“http://gregmankiw.blogspot.com/2006/06/love-econ-bad-at-math.html]Greg”>Greg Mankiw's Blog: Love Econ, Bad at Math)</p>