Over the last 15 years, weak capital investment in rich countries has held back productivity growth. But that may be about to change. Why it matters: The pathway to higher incomes and standards of living rests on economies finding ways to deploy their labor forces more productively. • The dearth of productivity growth over the last couple of decades has held back incomes in the U.S. and other rich countries, according to a report out Wednesday from the McKinsey Global Institute, the research arm of the global consultancy. The big picture: Productivity growth has been weak in the U.S. and Western Europe since the 2008 ... (full story)