Economists pay close attention to leading and lagging indicators as signals of metamorphoses.
When I step on a bathroom scale, I see a lag metric. Past caloric intake contributes to the number on the scale, which somehow seems to point and laugh.
A pedometer keeps track of how many steps I stepped today. It’s a leading indicator of what might be revealed on my next visit to the weight scale. Empty bags of chips, Cheez-Its and Cheerios are also…
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