In classical and neoclassical economics, capital is one of the factors of production. The others are land, labour and, according to some proponents, organization, entrepreneurship, or management. Goods with the following features are capital:
It can be used in the production of other goods (this is what makes it a factor of production). It was produced, in contrast to "land", which refers to naturally occurring resources such as geographical locations and minerals. It is not used up immediately in the process of production unlike raw materials or intermediate goods. (The significant exception to this is depreciation allowance, which like intermediate goods, is treated as a business expense.)
These distinctions of convenience have carried over to contemporary economic theory.[2][3] There was the further clarification that capital is a stock. As such, its value can be estimated at a point in time. By contrast, investment, as production to be added to the capital stock, is described as taking