NY Times why do college costs keep rising?

<p><a href="http://www.nytimes.com/2009/09/05/your-money/paying-for-college/05money.html?em%5B/url%5D"&gt;http://www.nytimes.com/2009/09/05/your-money/paying-for-college/05money.html?em&lt;/a&gt;&lt;/p>

<p>Just wondering if you all agree: Can the 2nd 3rd tier schools can sustain annual tuitions in the $50,000 range in this economy?</p>