What does Cardboard Box Index mean?

Cardboard Box Index meaning in Law Dictionary

letter index used by some people to assess industrial production utilizing the output of cardboard bins to predict the acquisitions of non-durable customer products.

Cardboard Box Index meaning in Business Dictionary

An index that steps the manufacture of cardboard containers to approximate consumer goods production. It's an index that will act as a commercial indicator. When even more boxes are produced, there was most likely a higher interest in customer goods.