Another important point is that the top 350 US companies today are much larger than the top 350 US companies of 1989. To have an accurate comparison, the author

Another important point is that the top 350 US companies today are much larger than the top 350 US companies of 1989. To have an accurate comparison, the authors should have compared the compansation ratio of similarly sized firms, maybe the top 50 of 1989 to the 100th to 150th largest company of today.