The K-Shaped Economy: Why The Middle Class Moved Up Authored by Lance Roberts via RealInvestmentAdvice.com, The K-shaped economy has become shorthand for a tidy story. The rich pull away while everyone else falls behind. It fits the mood, and it makes for a sharp headline. The problem is that it’s mostly wrong. When you pull the actual Census data, the dominant move of the last half-century isn’t down. It’s up. Yes, the middle class is shrinking. But it’s shrinking because mi...