[RegW]

Productivity is a moveable feast and tricky to compare with the past. The productivity business talk about is the ratio of cost to profit.

As tech become available to help reduce your costs and drive up your profit, the same tech also reduces your competitor's costs and perhaps lets more competitors into the market. This drives down your product prices and reduces your profit.

So you invest but see no increase in productivity, but if you don't do it - you're toast.