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A textbook in 22 chapters that provides a complete introduction to economics and is used in approximately 500 universities worldwide. This economics textbook was designed as the source material for taught courses in the first year of an undergraduate degree, although it has also been used in schools, and for advanced courses in public policy.
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 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.
"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.
Description: In this book, Keynes put forward a theory based upon the notion of aggregate demand to explain variations in the overall level of economic activity, such as were observed in the Great Depression. The total income in a society is defined by the sum of consumption and investment; and in a state of unemployment and unused production ...
Between the 1940s and mid-1970s, it was the leading framework of macroeconomic analysis. Today, it is generally accepted as being imperfect and is largely absent from teaching at advanced economic levels and from macroeconomic research, but it is still an important pedagogical introductory tool in most undergraduate macroeconomics textbooks.
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 ...
The Incremental Capital-Output Ratio (ICOR) is the ratio of investment to growth which is equal to the reciprocal of the marginal product of capital. The higher the ICOR, the lower the productivity of capital or the marginal efficiency of capital. The ICOR can be thought of as a measure of the inefficiency with which capital is used. In most ...