Portal:Business and Economics
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Portal:Business and Economics

The business and economics portal

The New York Stock Exchange floor

In the social sciences, economics is the study of human choice behavior and the methodology used to make associated investment and production decisions; in particular, though not limited to, how those choices and decisions determine the allocation of scarce resources and their effect on production, distribution, and consumption. The word "economics" is from the Greek words [oikos], meaning "family, household, estate", and ? [nemo], or "distribution, allocation", hence meaning "household management" or "management of the state". An economist is a person using economic concepts and data in the course of employment, or someone who has earned a university degree in the subject. Economics undergraduate courses cover at least two main branches:

  • Microeconomics studies the behavior of individual households and firms in making decisions on the allocation of limited resources. Microeconomics applies to markets where goods or services are bought, and sold. It examines how decisions and behaviors affect the supply and demand for goods and services, which determines prices, and how prices, in turn, determine the quantity supplied and quantity demanded of goods and services.
  • Macroeconomics studies inflation, price levels, rate of growth, national income, gross domestic product and changes in unemployment of a company, rather than the more specific details that microeconomics studies.

There are also other sub-fields of economics.

In economics, economic systems study and analyze the organizing of production, distribution, consumption and investment. As well as, the study of optimal resource allocation and institutional design. Traditionally, the study of economic systems was based on a dichotomy , or set, between market economies and planned economies, but contemporary studies compare and contrast a number of different variables, such as ownership structure (Public, Private or Collective), economic coordination (planning, markets or mixed), management structure (Hierarchy versus adhocracy), the incentive system, and the level of centralization in decision-making. An economy can be analyzed in terms of its economic sectors, the classic breakdown being into primary, secondary and tertiary. A business, also known as an enterprise or a firm, is an organization involved in the trade of goods, services, or both to consumers. Businesses are prevalent in capitalist economies, where most of them are privately owned and provide goods and services to customers in exchange of other goods, services, or money. Businesses may also be not-for-profit or state-owned. Management in business and organizations is the function that coordinates the efforts of people to accomplish goals and objectives using available resources efficiently and effectively. Management comprises planning, organizing, staffing, leading or directing, and controlling an organization or initiative to accomplish a goal. Management is also an academic discipline, and is traditionally taught at business schools. Economic policy refers to the actions that governments take in the economic field. It covers the systems for setting interest rates and government budget as well as the labor market regulations, national ownership, trade policy, monetary policy, fiscal policy, regulatory policy, anti-trust policy and industrial policy. In economics, sustainable development refers to development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

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Thatgamecompany, stylized as thatgamecompany, is an American independent video game development studio co-founded by University of Southern California students Kellee Santiago and Jenova Chen in 2006. The studio was formerly a developer for Sony Computer Entertainment, contracted to create three downloadable games for the PlayStation 3's PlayStation Network service, and has since secured independent funding. The first of their games is a remake of Chen's award-winning Flash title Flow, with enhanced visuals and sound, added multiplayer modes and compatibility with the PlayStation 3's motion sensitive controller. The title was released on the PlayStation Store in 2007. The company's second PlayStation 3 game, Flower, was released on the PlayStation Store in 2009, and their third game, Journey, was released in March 2012 on the PlayStation Store.


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1933 double eagle coin
Photo credit: User:293.xx.xxx.xx

The 1933 double eagle is a United States 20-dollar gold coin. Although 445,500 specimens of this Saint-Gaudens double eagle were minted in 1933 none were ever officially circulated and all but two were melted down. Supposedly, 20 found their way into the hands of collectors, but 19 of these were subsequently seized or voluntarily turned in to the Secret Service, who destroyed nine of them, making this one of the world's rarest coins. Five are still missing out of the 20.

Selected economy

Ohio quarter, reverse side, 2002.jpg

The economy of Ohio nominally would be the 25th largest global economy behind Sweden and ahead of Nigeria according to the 2013 World Bank projections, and the 24th largest global economy behind Sweden and ahead of Norway according to the 2013 International Monetary Fund projections. The state had a projected GDP of $526.1 billion in 2013, up from 517.1 in 2012, and up from 501.3 in 2011, according to the Bureau of Economic Analysis. In 2013, Ohio was ranked in the top ten states for best business climate by Site Selection magazine, based on a business-activity database. The state was edged out only by Texas and Nebraska for the 2013 Governor's Cup award from the magazine, based on business growth and economic development. A new report by the Quantitative Economics and Statistics Practices (QUEST) of Ernst & Young in conjunction with the Council On State Taxation (COST), ranks Ohio as third in the nation for friendliest tax environment.


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"The type of fallacy involved in projecting loss experience from a universe of non-insured bonds onto a deceptively-similar universe in which many bonds are insured pops up in other areas of finance. "Back-tested" models of many kinds are susceptible to this sort of error. Nevertheless, they are frequently touted in financial markets as guides to future action. (If merely looking up past financial data would tell you what the future holds, the Forbes 400 would consist of librarians.)

Indeed, the stupefying losses in mortgage-related securities came in large part because of flawed, history-based models used by salesmen, rating agencies and investors. These parties looked at loss experience over periods when home prices rose only moderately and speculation in houses was negligible. They then made this experience a yardstick for evaluating future losses. They blissfully ignored the fact that house prices had recently skyrocketed, loan practices had deteriorated and many buyers had opted for houses they couldn't afford. In short, universe "past" and universe "current" had very different characteristics. But lenders, government and media largely failed to recognize this all-important fact.

Investors should be skeptical of history-based models. Constructed by a nerdy-sounding priesthood using esoteric terms such as beta, gamma, sigma and the like, these models tend to look impressive. Too often, though, investors forget to examine the assumptions behind the symbols. Our advice: Beware of geeks bearing formulas."

--Warren Buffett, To the Shareholders of Berkshire Hathaway Inc., 2009

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On this day in Business history...

Did you know...

  • ...that, as of August 2008, more than 113 countries around the world, including all of Europe, required or permitted IFRS reporting and 85 required IFRS reporting for all domestic, listed companies?
  • ...that in the circular flow model, the inter-dependent entities of producer and consumer are referred to as "firms" and "households" respectively and provide each other with factors in order to facilitate the flow of income?
  • ...that the balance of payments of a country is the record of all economic transactions between the residents of a country and the rest of the world in a particular period?

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