Until we experience an economic slowdown, we will not know for sure how much of the extraordinary rise in output per hour in the past five years is attributable to the irreversible way value is created and how much reflects endeavors on the part of the business community to stretch existing capital and labor resources in ways that are not sustainable over the long run,  -   Alan Greenspan     Quotes
Until we experience an economic slowdown, we will not know for sure how much of the extraordinary rise in output per hour in the past five years is attributable to the irreversible way value is created and how much reflects endeavors on the part of the business community to stretch existing capital and labor resources in ways that are not sustainable over the long run, Alan Greenspan
 Experience