Age and productivity have an out-sized effect on the global economy. The challenge of the next hundred years is to figure out how fewer workers can support an increasingly older population. Greg Ip wrote an in-depth exploration in The Wall Street Journal of how shifting demographics are changing the global economy.
Ever since the global financial crisis, economists have groped for reasons to explain why growth in the U.S. and abroad has repeatedly disappointed, citing everything from fiscal austerity to the euro meltdown. They are now coming to realize that one of the stiffest headwinds is also one of the hardest to overcome: demographics.