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Kaldor's Growth Laws
Kaldor's growth laws are a series of three ''laws'' relating to the causation of economic growth. Looking at the countries of the world now and through time Nicholas Kaldor noted a high correlation between living standards and the share of resources devoted to industrial activity, at least up to some level of income. Only New Zealand, Australia and Canada have become rich whilst relying mainly on agriculture. He proposed three laws on these empirical regularities: #The growth of the GDP is positively related to the growth of the manufacturing sector. This is perhaps better stated in terms of GDP growth being faster the greater the excess of growth of industrial growth relative to GDP growth: that is when the share of industry in GDP is rising. #The productivity of the manufacturing sector is positively related the growth of the manufacturing sector (this is also known as Verdoorn's law). Here the argument is that there are increasing returns to scale in manufacturing. These may be ...
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Nicholas Kaldor
Nicholas Kaldor, Baron Kaldor (12 May 1908 – 30 September 1986), born Káldor Miklós, was a Cambridge economist in the post-war period. He developed the "compensation" criteria called Kaldor–Hicks efficiency for welfare comparisons (1939), derived the cobweb model, and argued for certain regularities observable in economic growth, which are called Kaldor's growth laws. Kaldor worked alongside Gunnar Myrdal to develop the key concept Circular Cumulative Causation, a multicausal approach where the core variables and their linkages are delineated. Both Myrdal and Kaldor examine circular relationships, where the interdependencies between factors are relatively strong, and where variables interlink in the determination of major processes. Gunnar Myrdal got the concept from Knut Wicksell and developed it alongside Nicholas Kaldor when they worked together at the United Nations Economic Commission for Europe. Myrdal concentrated on the social provisioning aspect of development, while ...
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Verdoorn's Law
Verdoorn's law is named after Dutch economist Petrus Johannes Verdoorn (1949). It states that in the long run productivity generally grows proportionally to the square root of output. In economics, this law pertains to the relationship between the growth of output and the growth of productivity. According to the law, faster growth in output increases productivity due to increasing returns. Verdoorn (1949, p. 59) argued that "in the long run a change in the volume of production, say about 10 per cent, tends to be associated with an average increase in labor productivity of 4.5 per cent." The Verdoorn coefficient close to 0.5 (0.484) is also found in subsequent estimations of the law. Description Verdoorn's law describes a simple long-run relation between productivity and output growth, whose coefficients were empirically estimated in 1949 by the Dutch economist. The relation takes the following form: p=a+ bQ where p is the labor productivity growth, Q the output growth (valu ...
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Anthony Thirlwall
Anthony Philip Thirlwall (born 1941) is Professor of Applied Economics at the University of Kent. He has made major contributions to regional economics; the analysis of unemployment and inflation; balance of payments theory, and to growth and development economics with particular reference to developing countries. He is the author of the bestselling textboo''Economics of Development: Theory and Evidence''(Palgrave Macmillan) now in its ninth edition. He is also the biographer and literary executor of the famous Cambridge economist Nicholas Kaldor. Perhaps his most notable contribution has been to show that if long-run balance of payments equilibrium is a requirement for a country, its growth of national income can be approximated by the ratio of the growth of exports to the income elasticity of demand for imports (Thirlwall's Law). Education Thirlwall was educated at the Harrow Weald County Grammar School (1952–59) where he was first taught economics by Merlyn Rees who later be ...
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Economies Of Scale
In microeconomics, economies of scale are the cost advantages that enterprises obtain due to their scale of operation, and are typically measured by the amount of output produced per unit of time. A decrease in cost per unit of output enables an increase in scale. At the basis of economies of scale, there may be technical, statistical, organizational or related factors to the degree of market control. This is just a partial description of the concept. Economies of scale apply to a variety of the organizational and business situations and at various levels, such as a production, plant or an entire enterprise. When average costs start falling as output increases, then economies of scale occur. Some economies of scale, such as capital cost of manufacturing facilities and friction loss of transportation and industrial equipment, have a physical or engineering basis. The economic concept dates back to Adam Smith and the idea of obtaining larger production returns through the use ...
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Virtuous Circle And Vicious Circle
A vicious circle (or cycle) is a complex chain of events that reinforces itself through a feedback loop, with detrimental results. It is a system with no tendency toward equilibrium (social, economic, ecological, etc.), at least in the short run. Each iteration of the cycle reinforces the previous one, in an example of positive feedback. A vicious circle will continue in the direction of its momentum until an external factor intervenes to break the cycle. A well-known example of a vicious circle in economics is hyperinflation. A virtuous circle is an equivalent system with a favorable outcome. Examples Vicious circles in the subprime mortgage crisis The contemporary subprime mortgage crisis is a complex group of vicious circles, both in its genesis and in its manifold outcomes, most notably the late 2000s recession. A specific example is the circle related to housing. As housing prices decline, more homeowners go " underwater", when the market value of a home drops below ...
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Economic Growth
Economic growth can be defined as the increase or improvement in the inflation-adjusted market value of the goods and services produced by an economy in a financial year. Statisticians conventionally measure such growth as the percent rate of increase in the real gross domestic product, or real GDP. Growth is usually calculated in real terms – i.e., inflation-adjusted terms – to eliminate the distorting effect of inflation on the prices of goods produced. Measurement of economic growth uses national income accounting. Since economic growth is measured as the annual percent change of gross domestic product (GDP), it has all the advantages and drawbacks of that measure. The economic growth-rates of countries are commonly compared using the ratio of the GDP to population (per-capita income). The "rate of economic growth" refers to the geometric annual rate of growth in GDP between the first and the last year over a period of time. This growth rate represents the trend in ...
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Secondary Sector Of The Economy
In macroeconomics, the secondary sector of the economy is an economic sector in the three-sector theory that describes the role of manufacturing. It encompasses industries that produce a finished, usable product or are involved in construction. This sector generally takes the output of the primary sector (i.e. raw materials) and creates finished goods suitable for sale to domestic businesses or consumers and for export (via distribution through the tertiary sector). Many of these industries consume large quantities of energy, require factories and use machinery; they are often classified as light or heavy based on such quantities. This also produces waste materials and waste heat that may cause environmental problems or pollution (see negative externalities). Examples include textile production, car manufacturing, and handicraft. Manufacturing is an important activity in promoting economic growth and development. Nations that export manufactured products tend to generate highe ...
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Development Economics
Development economics is a branch of economics which deals with economic aspects of the development process in low- and middle- income countries. Its focus is not only on methods of promoting economic development, economic growth and structural change but also on improving the potential for the mass of the population, for example, through health, education and workplace conditions, whether through public or private channels. Development economics involves the creation of theories and methods that aid in the determination of policies and practices and can be implemented at either the domestic or international level. This may involve restructuring market incentives or using mathematical methods such as intertemporal optimization for project analysis, or it may involve a mixture of quantitative and qualitative methods. Common topics include growth theory, poverty and inequality, human capital, and institutions. Unlike in many other fields of economics, approaches in development ec ...
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