[DRAFT] There have recently been a number of articles discussing grade inflation.
1. Grade inflation is asymmetric across disciplines
2. Grade inflation is asymmetric across colleges
3. Grade inflation compresses the amount of information available about college graduates.
http://www.act.org/research/policymakers/pdf/issues.pdf
http://economix.blogs.nytimes.com/2011/07/14/the-history-of-college-grade-inflation/