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Economics is "the social science that studies the production, distribution, and consumption of goods and services."
Microeconomics is a branch of mainstream economics that studies the behavior of individuals and firms in making decisions regarding the allocation of scarce resources and the interactions among these individuals and firms. Microeconomics focuses on the study of individual markets, sectors, or industries as opposed to the national economy as whole, which is studied in macroeconomics.
A monopoly is as described by Irving Fisher, a market with the "absence of competition", creating a situation where a specific person or enterprise is the only supplier of a particular thing. This contrasts with a monopsony which relates to a single entity's control of a market to purchase a good or service, and with oligopoly and duopoly which consists of a few sellers dominating a market. Monopolies are thus characterized by a lack of economic competition to produce the good or service, a lack of viable substitute goods, and the possibility of a high monopoly price well above the seller's marginal cost that leads to a high monopoly profit. The verb monopolise or monopolize refers to the process by which a company gains the ability to raise prices or exclude competitors. In economics, a monopoly is a single seller. In law, a monopoly is a business entity that has significant market power, that is, the power to charge overly high prices, which is associated with a decrease in social surplus. Although monopolies may be big businesses, size is not a characteristic of a monopoly. A small business may still have the power to raise prices in a small industry.
Neoclassical economics is an approach to economics in which the production, consumption and valuation (pricing) of goods and services are observed as driven by the supply and demand model. According to this line of thought, the value of a good or service is determined through a hypothetical maximization of utility by income-constrained individuals and of profits by firms facing production costs and employing available information and factors of production. This approach has often been justified by appealing to rational choice theory, a theory that has come under considerable question in recent years.
Public choice, or public choice theory, is "the use of economic tools to deal with traditional problems of political science". Its content includes the study of political behavior. In political science, it is the subset of positive political theory that studies self-interested agents and their interactions, which can be represented in a number of ways – using standard constrained utility maximization, game theory, or decision theory. It is the origin and intellectual foundation of contemporary work in political economy.
In economics, an externality is an indirect cost or benefit to an uninvolved third party that arises as an effect of another party's activity. Externalities can be considered as unpriced goods involved in either consumer or producer market transactions. Air pollution from motor vehicles is one example. The cost of air pollution to society is not paid by either the producers or users of motorized transport to the rest of society. Water pollution from mills and factories is another example. We are all made worse off by pollution but are not compensated by the market for this damage. A positive externality is when an individual's consumption in a market increases the well-being of others, but the individual does not charge the third party for the benefit. The third party is essentially getting a free product. An example of this might be the apartment above a bakery receiving the benefit of enjoyment from smelling fresh pastries every morning. The people who live in the apartment do not compensate the bakery for this benefit.
In economics, profit maximization is the short run or long run process by which a firm may determine the price, input and output levels that lead to the highest profit. Neoclassical economics, currently the mainstream approach to microeconomics, usually models the firm as maximizing profit.
In economics, the marginal cost is the change in the total cost that arises when the quantity produced is incremented, the cost of producing additional quantity. In some contexts, it refers to an increment of one unit of output, and in others it refers to the rate of change of total cost as output is increased by an infinitesimal amount. As Figure 1 shows, the marginal cost is measured in dollars per unit, whereas total cost is in dollars, and the marginal cost is the slope of the total cost, the rate at which it increases with output. Marginal cost is different from average cost, which is the total cost divided by the number of units produced.
A Pigovian tax is a tax on any market activity that generates negative externalities. The tax is normally set by the government to correct an undesirable or inefficient market outcome, and does so by being set equal to the external marginal cost of the negative externalities. In the presence of negative externalities, social cost includes private cost and external cost caused by negative externalities. This means the social cost of a market activity is not covered by the private cost of the activity. In such a case, the market outcome is not efficient and may lead to over-consumption of the product. Often-cited examples of such negative externalities are environmental pollution, and increased public healthcare costs associated with tobacco and sugary drink consumption.
Social cost in neoclassical economics is the sum of the private costs resulting from a transaction and the costs imposed on the consumers as a consequence of being exposed to the transaction for which they are not compensated or charged. In other words, it is the sum of private and external costs. This might be applied to any number of economic problems: for example, social cost of carbon has been explored to better understand the costs of carbon emissions for proposed economic solutions such as a carbon tax.
Allocative efficiency is a state of the economy in which production is aligned with consumer preferences; in particular, every good or service is produced up to the point where the last unit provides a marginal benefit to consumers equal to the marginal cost of producing.
Managerial economics is a branch of economics involving the application of economic methods in the managerial decision-making process.And, Managerial Economics is the integration of economic theory with business practice for the purpose of facilitating Decision making and forward planning by the Management. Managerial economics aims to provide a framework for decision making which are directed to maximise the profits and outcomes of a company. Managerial economics focuses on increasing the efficiency of organizations by employing all possible business resources to increase output while decreasing unproductive activities. The two main purposes of managerial economics are:
- To optimize decision making when the firm is faced with problems or obstacles, with the consideration of macro and microeconomic theories and principles.
- To analyse the possible effects and implications of both short and long-term planning decisions on the revenue and profitability of the Business.
Public administration is the implementation of government policy and also an academic discipline that studies this implementation and prepares civil employees for working in the public service. As a "field of inquiry with a diverse scope" whose fundamental goal is to "advance management and policies so that government can function." Some of the various definitions which have been offered for the term are: "the management of public programs"; the "translation of politics into the reality that citizens see every day"; and "the study of government decision making, the analysis of the policies themselves, the various inputs that have produced them, and the inputs necessary to produce alternative policies." The word public administration is the combination of two words—public and administration. In every sphere of social, economic and political life there is administration which means that for the proper functioning of the organization or institution it must be properly ruled or managed and from this concept emerges the idea of administration.
Utility maximization was first developed by utilitarian philosophers Jeremy Bentham and John Stewart Mill. In microeconomics, the utility maximization problem is the problem consumers face: "How should I spend my money in order to maximize my utility?" It is a type of optimal decision problem. It consists of choosing how much of each available good or service to consume, taking into account a constraint on total spending (income), the prices of the goods and their preferences.
Marginal revenue is a central concept in microeconomics that describes the additional total revenue generated by increasing product sales by 1 unit. To derive the value of marginal revenue, it is required to examine the difference between the aggregate benefits a firm received from the quantity of a good and service produced last period and the current period with one extra unit increase in the rate of production. Marginal revenue is a fundamental tool for economic decision making within a firm's setting, together with marginal cost to be considered.
A Lindahl tax is a form of taxation conceived by Erik Lindahl in which individuals pay for public goods according to their marginal benefits. In other words, they pay according to the amount of satisfaction or utility they derive from the consumption of an additional unit of the public good. Lindahl taxation is designed to maximize efficiency for each individual and provide the optimal level of a public good.
William Arthur Niskanen was an American economist. He was one of the architects of President Ronald Reagan's economic program and contributed to public choice theory. He was also a long-time chairman of the Cato Institute, a libertarian think-tank.
Bureau-shaping is a rational choice model of bureaucracy and a response to the budget-maximization model. It argues that rational officials will not want to maximize their budgets, but instead to shape their agency so as to maximize their personal utilities from their work. For instance, bureaucrats would prefer to work in small, elite agencies close to political power centres and doing interesting work, rather than to run large-budget agencies with many staff but also many risks and problems. For the same reasons, and to avoid risks, the bureau-shaping model also predicts that senior government bureaucrats will often favour either 'agencification' to other public sector bodies by having policy determination and advice separated from the implementation of the legislated practices of government or off-loading functions to contractors and privatization. In the health and social work fields, officials will favour 'deinstitutionalization' and 'care in the community'. The model was developed by Patrick Dunleavy from the London School of Economics in Democracy, Bureaucracy and Public Choice.
The term bureaucracy refers to both a body of non-elected governing officials (bureaucrats) and to an administrative policy-making group. Historically, a bureaucracy was a government administration managed by departments staffed with non-elected officials. Today, bureaucracy is the administrative system governing any large institution, whether publicly owned or privately owned. The public administration in many jurisdictions and sub-jurisdictions exemplifies bureaucracy, but so does any centralized hierarchical structure of an institution, e.g. hospitals, academic entities, business firms, professional societies, social clubs, etc.
The economics of science aims to understand the impact of science on the advance of technology, to explain the behavior of scientists, and to understand the efficiency or inefficiency of scientific institutions and markets.
References
- Friedman, Lee (2002), The Microeconomics of Public Policy Analysis, Princeton University Press, pp. 429–432
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