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Perfect Competition
In economics, specifically general equilibrium theory, a perfect market, also known as an atomistic market, is defined by several idealizing conditions, collectively called perfect competition, or atomistic competition. In theoretical models where conditions of perfect competition hold, it has been demonstrated that a market will reach an equilibrium in which the quantity supplied for every product or service, including labor, equals the quantity demanded at the current price. This equilibrium would be a Pareto optimum. Perfect competition provides both allocative efficiency and productive efficiency: * Such markets are ''allocatively efficient'', as output will always occur where marginal cost is equal to average revenue i.e. price (MC = AR). In perfect competition, any profit-maximizing producer faces a market price equal to its marginal cost (P = MC). This implies that a factor's price equals the factor's marginal revenue product. It allows for derivation of the sup ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Economics
Economics () is the social science that studies the production, distribution, and consumption of goods and services. Economics focuses on the behaviour and interactions of economic agents and how economies work. Microeconomics analyzes what's viewed as basic elements in the economy, including individual agents and markets, their interactions, and the outcomes of interactions. Individual agents may include, for example, households, firms, buyers, and sellers. Macroeconomics analyzes the economy as a system where production, consumption, saving, and investment interact, and factors affecting it: employment of the resources of labour, capital, and land, currency inflation, economic growth, and public policies that have impact on these elements. Other broad distinctions within economics include those between positive economics, describing "what is", and normative economics, advocating "what ought to be"; between economic theory and applied economics; between rati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supply (economics)
In economics, supply is the amount of a resource that firms, producers, labourers, providers of financial assets, or other economic agents are willing and able to provide to the marketplace or to an individual. Supply can be in produced goods, labour time, raw materials, or any other scarce or valuable object. Supply is often plotted graphically as a supply curve, with the price per unit on the vertical axis and quantity supplied as a function of price on the horizontal axis. This reversal of the usual position of the dependent variable and the independent variable is an unfortunate but standard convention. The supply curve can be either for an individual seller or for the market as a whole, adding up the quantity supplied by all sellers. The quantity supplied is for a particular time period (e.g., the tons of steel a firm would supply in a year), but the units and time are often omitted in theoretical presentations. In the goods market, supply is the amount of a product p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theory Of The Second Best
In welfare economics, the theory of the second best (also known as the general theory of second best or the second best theorem) concerns the situation when one or more optimality conditions cannot be satisfied. The economists Richard Lipsey and Kelvin Lancaster showed in 1956, that if one optimality condition in an economic model cannot be satisfied, it is possible that the next-best solution involves changing other variables away from the values that would otherwise be optimal. Politically, the theory implies that if it is infeasible to remove a particular market distortion, introducing one or more ''additional'' market distortions in an interdependent market may partially counteract the first, and lead to a more efficient outcome. Implications In an economy with some uncorrectable market failure in one sector, actions to correct market failures in another related sector with the intent of increasing economic efficiency may actually decrease overall economic efficiency. In th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Real Estate Business
Real estate business is the profession of buying, selling, or renting real estate (land, buildings, or housing)."Real estate": Oxford English Dictionary online: Retrieved September 18, 2011 Sales and marketing It is common practice for an intermediary to provide real estate owners with dedicated sales and marketing support in exchange for commission. In North America, this intermediary is referred to as a real estate agent, real estate broker or realtor, whilst in the United Kingdom, the intermediary would be referred to as an estate agent. In Australia the intermediary is referred to as a real estate agent or real estate representative or the agent. There have been various studies to detect the determinants of housing prices to this day, mostly trying to examine the impacts of structural, locational and environmental attributes of houses. Transactions A real estate transaction is the process whereby rights in a unit of property (or designated real estate) is transferred bet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Joan Robinson
Joan Violet Robinson (''née'' Maurice; 31 October 1903 – 5 August 1983) was a British economist well known for her wide-ranging contributions to economic theory. She was a central figure in what became known as post-Keynesian economics. Biography Before leaving to fight in the Second Boer War, Joan's father, Frederick Maurice, married Margaret Helen Marsh, the daughter of Frederick Howard Marsh, and the sister of Edward Marsh, at St George's, Hanover Square. Joan Maurice was born in 1903, a year after her father's return from Africa. During World War II, Robinson worked on a few different Committees for the wartime national government. During this time, she visited the Soviet Union as well as China, gaining an interest in underdeveloped and developing nations. Robinson was a frequent visitor to Centre for Development Studies (CDS), Thiruvananthapuram, India. She was a visiting fellow at the Centre in the mid-1970s. She instituted an endowment fund to support public ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward Chamberlin
Edward Hastings Chamberlin (May 18, 1899 – July 16, 1967) was an American economist. He was born in La Conner, Washington, and died in Cambridge, Massachusetts. Chamberlin studied first at the University of Iowa (where he was influenced by Frank H. Knight), then pursued graduate studies at the University of Michigan, eventually receiving his Ph.D. from Harvard University in 1927. Economics For most of his career Edward Chamberlin taught economics at Harvard (1937–1967). He made significant contributions to microeconomics, particularly on competition theory and consumer choice, and their connection to prices. He coined the term "product differentiation" to describe how a supplier may be able to charge a higher price for a product than perfect competition would allow. Chamberlin's most significant contribution was the Chamberlinian monopolistic competition theory. He published his book ''The Theory of Monopolistic Competition'' in 1933, the same year that Joan Robinson pu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gérard Debreu
Gérard Debreu (; 4 July 1921 – 31 December 2004) was a French-born economist and mathematician. Best known as a professor of economics at the University of California, Berkeley, where he began work in 1962, he won the 1983 Nobel Memorial Prize in Economic Sciences. Biography His father was the business partner of his maternal grandfather in lace manufacturing, a traditional industry in Calais. Debreu was orphaned at an early age, as his father committed suicide and his mother died of natural causes. Prior to the start of World War II, he received his baccalauréat and went to Ambert to begin preparing for the entrance examination of a grande école. Later on, he moved from Ambert to Grenoble to complete his preparation, both places being in Vichy France during World War II. In 1941, he was admitted to the École Normale Supérieure in Paris, along with Marcel Boiteux. He was influenced by Henri Cartan and the Bourbaki writers. When he was about to take the final examinati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kenneth Arrow
Kenneth Joseph Arrow (23 August 1921 – 21 February 2017) was an American economist, mathematician, writer, and political theorist. He was the joint winner of the Nobel Memorial Prize in Economic Sciences with John Hicks in 1972. In economics, he was a major figure in post-World War II neo-classical economic theory. Many of his former graduate students have gone on to win the Nobel Memorial Prize themselves. His most significant works are his contributions to social choice theory, notably "Arrow's impossibility theorem", and his work on general equilibrium analysis. He has also provided foundational work in many other areas of economics, including endogenous growth theory and the economics of information. Education and early career Arrow was born on 23 August 1921, in New York City. Arrow's mother, Lilian (Greenberg), was from Iași, Romania, and his father, Harry Arrow, was from nearby Podu Iloaiei. The Arrow family were Romanian Jews. His family was very supportive ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Léon Walras
Marie-Esprit-Léon Walras (; 16 December 1834 – 5 January 1910) was a French mathematical economist and Georgist. He formulated the marginal theory of value (independently of William Stanley Jevons and Carl Menger) and pioneered the development of general equilibrium theory. Walras is best known for his book ''Éléments d'économie politique pure'', a work that has contributed greatly to the mathematization of economics through the concept of general equilibrium. The definition of the role of the entrepreneur found in it was also taken up and amplified by Joseph Schumpeter. For Walras, exchanges only take place after a Walrasian '' tâtonnement'' (French for "trial and error"), guided by the auctioneer, has made it possible to reach market equilibrium. It was the general equilibrium obtained from a single hypothesis, rarity, that led Joseph Schumpeter to consider him "the greatest of all economists". The notion of general equilibrium was very quickly adopted by major econ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Average Cost
In economics, average cost or unit cost is equal to total cost (TC) divided by the number of units of a good produced (the output Q): AC=\frac. Average cost has strong implication to how firms will choose to price their commodities. Firms’ sale of commodities of certain kind is strictly related to the size of the certain market and how the rivals would choose to act. Short-run average cost Short-run costs are those that vary with almost no time lagging. Labor cost and the cost of raw materials are short-run costs, but physical capital is not. An average cost curve can be plotted with cost on the vertical axis and quantity on the horizontal axis. Marginal costs are often also shown on these graphs, with marginal cost representing the cost of the last unit produced at each point; marginal costs in the short run are the slope of the variable cost curve (and hence the first derivative of variable cost). A typical average cost curve has a U-shape, because fixed costs are all i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Long Run And Short Run
In economics, the long-run is a theoretical concept in which all markets are in equilibrium, and all prices and quantities have fully adjusted and are in equilibrium. The long-run contrasts with the short-run, in which there are some constraints and markets are not fully in equilibrium. More specifically, in microeconomics there are no fixed factors of production in the long-run, and there is enough time for adjustment so that there are no constraints preventing changing the output level by changing the capital stock or by entering or leaving an industry. This contrasts with the short-run, where some factors are variable (dependent on the quantity produced) and others are fixed (paid once), constraining entry or exit from an industry. In macroeconomics, the long-run is the period when the general price level, contractual wage rates, and expectations adjust fully to the state of the economy, in contrast to the short-run when these variables may not fully adjust. History The dif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monopolistic Competition
Monopolistic competition is a type of imperfect competition such that there are many producers competing against each other, but selling products that are differentiated from one another (e.g. by branding or quality) and hence are not perfect substitutes. In monopolistic competition, a company takes the prices charged by its rivals as given and ignores the impact of its own prices on the prices of other companies. If this happens in the presence of a coercive government, monopolistic competition will fall into government-granted monopoly. Unlike perfect competition, the company maintains spare capacity. Models of monopolistic competition are often used to model industries. Textbook examples of industries with market structures similar to monopolistic competition include restaurants, cereals, clothing, shoes, and service industries in large cities. The "founding father" of the theory of monopolistic competition is Edward Hastings Chamberlin, who wrote a pioneering book on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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