One of the mysteries of the English language finally explained.
With singular concord. The interaction between economics and biological systems (including human families), usually taking into account the economic value of natural resources; any of various fields of study concerned with this; (now usually) specifically a mathematical field of study concerned with the optimization of the biological and economic productivity of living resources (such as plant or animal populations) which are used commercially.
Early 20th century. From bio- + economics. Compare earlier bioeconomic.
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