Market

A market is any one of a variety of different systems, institutions, procedures, social relations and infrastructures whereby persons trade, and goods and services are exchanged, forming part of the economy. It is an arrangement that allows buyers and sellers to exchange things.[1] Markets vary in size, range, geographic scale, location, types and variety of human communities, as well as the types of goods and services traded. Some examples include local farmers' markets held in town squares or parking lots, shopping centers and shopping malls, international currency and commodity markets, legally created markets such as for pollution permits, and illegal markets such as the market for illicit drugs.
In mainstream economics, the concept of a market is any structure that allows buyers and sellers to exchange any type of goods, services and information. The exchange of goods or services for money is a transaction. Market participants consist of all the buyers and sellers of a good who influence its price. This influence is a major study of economics and has given rise to several theories and models concerning the basic market forces of supply and demand. There are two roles in markets, buyers and sellers. The market facilitates trade and enables the distribution and allocation of resources in a society. Markets allow any tradable item to be evaluated and priced. A market emerges more or less spontaneously or is constructed deliberately by human interaction in order to enable the exchange of rights of services and goods.
Historically, markets originated in physical marketplaces which would often develop into — or from — small communities, towns and cities
Types of markets
Although many markets exist in the traditional sense — such as a marketplace — there are various other types of markets and various organizational structures to assist their functions. The nature of business transactions could define markets.
Financial markets
Financial markets facilitate the exchange of liquid assets. Most investors prefer investing in two markets, the stock markets and the bond markets. NYSE, AMEX, and the NASDAQ are the most common stock markets in the US. Futures markets, where contracts are exchanged regarding the future delivery of goods are often an outgrowth of general commodity markets.
Currency markets are used to trade one currency for another, and are often used for speculation on currency exchange rates.
The money market is the name for the global market for lending and borrowing.Prediction markets
Prediction markets are a type of speculative market in which the goods exchanged are futures on the occurrence of certain events. They apply the market dynamics to facilitate information aggregationOrganization of markets
A market can be organized as an auction, as a private electronic market, as a commodity wholesale market, as a shopping center, as a complex institution such as a stock market, and as an informal discussion between two individuals.
Markets of varying types can spontaneously arise whenever a party has interest in a good or service that some other party can provide. Hence there can be a market for cigarettes in correctional facilities, another for chewing gum in a playground, and yet another for contracts for the future delivery of a commodity. There can be black markets, where a good is exchanged illegally and virtual markets, such as eBay, in which buyers and sellers do not physically interact during negotiation. There can also be markets for goods under a command economy despite pressure to repress themMechanisms of markets
In economics, a market that runs under laissez-faire policies is a free market. It is "free" in the sense that the government makes no attempt to intervene through taxes, subsidies, minimum wages, price ceilings, etc. Market prices may be distorted by a seller or sellers with monopoly power, or a buyer with monopsony power. Such price distortions can have an adverse effect on market participant's welfare and reduce the efficiency of market outcomes. Also, the level of organization or negotiation power of buyers, markedly affects the functioning of the market. Markets where price negotiations meet equilibrium though still do not arrive at desired outcomes for both sides are said to experience market failure.