In economics, the term capital refers only to some form of money.
Related to the Economics in Practice on p. 35: In all societies, resources are limited relative to people's demands, and there are ________ trade-offs individuals face in rich countries versus poor countries. A) fewer B) large differences in the kinds of C) virtually no differences in the types of D) more important
Among the resources used in production are labor and capital.
Things that have already been produced that are in turn used to produce other goods and services over time are called "capital."