The relative power of unions declined significantly along with union membership, and executive pay rose considerably relative to average worker pay.[8] The reversal of the great compression has been called "the Great Divergence" by Krugman and is the title of a Slate article and book by Timothy Noah.[9] Krugman also notes that era before the Great Divergence was one not only of relative equality but of economic growth far surpassing the "Great Divergence".[10]