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Investment is often modeled as a function of interest rates, given by the relation I = I (r), with the interest rate negatively affecting investment because it is the cost of acquiring funds with which to purchase investment goods, and with income positively affecting investment because higher income signals greater opportunities to sell the ...
From a broader viewpoint, an investment can be defined as "to tailor the pattern of expenditure and receipt of resources to optimise the desirable patterns of these flows". When expenditures and receipts are defined in terms of money, then the net monetary receipt in a time period is termed cash flow , while money received in a series of ...
It is used in technical economics to define "balanced growth", which is the goal of improving human capital as much as economic capital. Public capital is a blanket term that attempts to characterize physical capital that is considered infrastructure and which supports production in unclear or poorly accounted ways. This encompasses the ...
What is investment? I would argue there are three definitions of investment, which vary depending on the discipline being discussed. There is a general definition of investment followed by more ...
An economic theory that defines wealth by the amount of precious metals owned. [48] business cycle. Also called the economic cycle or trade cycle. The downward and upward movement of gross domestic product (GDP) around its long-term growth trend. [49] The length of a business cycle is the period of time containing a single boom and contraction ...
Return on investment (ROI) or return on costs (ROC) is the ratio between net income (over a period) and investment (costs resulting from an investment of some resources at a point in time). A high ROI means the investment's gains compare favourably to its cost.
Models include simple theoretical models, often containing only a few equations, used in teaching and research to highlight key basic principles, and larger applied quantitative models used by e.g. governments, central banks, think tanks and international organisations to predict effects of changes in economic policy or other exogenous factors ...
Fixed investment in economics is the purchase of newly produced physical asset, or, fixed capital. It is measured as a flow variable – that is, as an amount per unit of time. Thus, fixed investment is the sum of physical assets [1] such as machinery, land, buildings, installations, vehicles, or technology. Normally, a company balance sheet ...