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In the philosophy of economics, economics is often divided into positive (or descriptive) and normative (or prescriptive) economics.Positive economics focuses on the description, quantification and explanation of economic phenomena, [1] while normative economics discusses prescriptions for what actions individuals or societies should or should not take.
The MP curve displays a positive relationship, upward-sloping curve, where the real interest rate is located on the vertical axis and inflation rate on the horizontal axis. Shifts on the MP curve are produced by actions of the Federal Reserve.
The "Great Gatsby Curve" is the term given to the positive empirical relationship between cross-sectional income inequality and persistence of income across generations. [1] The scatter plot shows a correlation between income inequality in a country and intergenerational income mobility (the potential for its citizens to achieve upward mobility).
In these macroeconomic models with sticky prices, there is a positive relation between the rate of inflation and the level of demand, and therefore a negative relation between the rate of inflation and the rate of unemployment. This relationship is often called the "New Keynesian Phillips curve".
The field of economics originally assumed that humans were rational economic actors, and as it became apparent that this was not the case, the field began to change. The research of social preferences in economics started with lab experiments in 1980, where experimental economists found subjects' behavior deviated systematically from self ...
The key feature of this model is positive assortative matching, whereby people with similar skill levels work together. [1] The model argues that the O-ring development theory explains why rich countries produce more complicated products, have larger firms and much higher worker productivity than poor countries. [2]
A supply is a good or service that producers are willing to provide. The law of supply determines the quantity of supply at a given price. [5]The law of supply and demand states that, for a given product, if the quantity demanded exceeds the quantity supplied, then the price increases, which decreases the demand (law of demand) and increases the supply (law of supply)—and vice versa—until ...
where the '+' indexes a positive relationship of GDP to M, that is, as M increases, GDP increases as a result. Another model of GDP hypothesizes that GDP has a negative relationship to T . This can be represented similarly to the above, with a theoretically appropriate sign change as indicated: