How do economists sometimes measure physical capital in a country?

Economists can measure physical capital in a country by unconventionally assessing the size of the employed population and their level of education which though not necessarily a conventional type of physical capital still it is essential to activate the inanimate physical capital. Conventional physical capital could be natural resources like forests, mineral deposits, and fisheries but more likely would mainly include man-made machines like tractors for farms, trucks for trucking produce, trains, factories, mine buildings and crushers etc.

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