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The First Five-Year Plan stressed investment for capital accumulation in the spirit of the one-sector Harrod–Domar model. It argued that production required capital and that capital can be accumulated through investment: the faster one accumulates capital through investment, the higher the growth rate will be. The most fundamental criticisms ...
In resource economics, Hartwick's rule defines the amount of investment in produced capital (buildings, roads, knowledge stocks, etc.) that is needed to exactly offset declining stocks of non-renewable resources. This investment is undertaken so that the standard of living does not fall as society moves into the indefinite future.
In macroeconomics, investment "consists of the additions to the nation's capital stock of buildings, equipment, software, and inventories during a year" [1] or, alternatively, investment spending — "spending on productive physical capital such as machinery and construction of buildings, and on changes to inventories — as part of total spending" on goods and services per year.
In this simple economic model with a closed economy there are three uses for GDP (the goods and services it produces in a year). If Y is national income (GDP), then the three uses of C consumption, I investment, and G government purchases can be expressed as:
"Total capital formation" in national accounting equals net fixed capital investment, plus the increase in the value of inventories held, plus (net) lending to foreign countries, during an accounting period (a year or a quarter). Capital is said to be "formed" when savings are utilized for investment purposes, often investment in production.
Notes and Problems in Applied General Equilibrium Economics. North-Holland. ISBN 978-0-444-88449-7. ——, with Rimmer, Maureen T. (2002). Dynamic General Equilibrium Modelling for Forecasting and Policy: A Practical Guide and Documentation of MONASH. Contributions to economic analysis (256). Amsterdam: Elsevier. ISBN 0444512608.
Capital accumulation is the dynamic that motivates the pursuit of profit, involving the investment of money or any financial asset with the goal of increasing the initial monetary value of said asset as a financial return whether in the form of profit, rent, interest, royalties or capital gains.
Normally that ratio is about 20–23% of gross value-added. However, calling it the "business investment rate" or the "gross investment rate" is somewhat deceptive, since this indicator refers only to fixed investment, and more specifically, the net fixed investment (fixed assets bought, less disposals of fixed assets). The actual total funds ...