There is no question that wages for the top 1% of earners in U.S. economy have soared while wages for the bottom 50% have stagnated. The question is why.

While there are many possible explanations, from the decline in labor unions to the explosion of CEO stock options, the ubiquity of inequality’s rise across different developed countries suggest there might be deeper economic mechanisms at work. One prime suspect: changes in technology that affect the way the economy is organized and how knowledge is used and compensated.

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