A market economy is a type of economic system where supply and demand[1] determine the production of goods and services. In this system, government involvement is minimal, and private businesses own most resources. Various models of market economies exist, with differences in social welfare policies, property rights, and the level of government intervention. These include free-market capitalism, laissez-faire, social market economy, and socialist market economy. There are also religious perspectives linking market economies to monotheistic religions, with principles advocating social equality and rooted in religious values. Despite its benefits, the market economy faces criticism for its inefficiencies and disparities, leading to proposed alternative models. Understanding the dynamics of market economies, including the roles of different stakeholders and the impact of supply and demand, is crucial for economic analysis and policy-making.
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A market economy is an economic system in which the decisions regarding investment, production et distribution to the consumers are guided by the price signals created by the forces of supply and demand. The major characteristic of a market economy is the existence of factor markets that play a dominant role in the allocation of capital et le factors of production.

Market economies range from minimally regulated free-market et laissez-faire systems where state activity is restricted to providing public goods et services and safeguarding private ownership, to interventionist forms where the government plays an active role in correcting market failures and promoting social welfare, as seen in some mixed economies. State intervention can happen at the production, distribution, trade and consumption areas in the economy. The distribution of basic need services and goods like health care may be entirely regulated by an egalitarian public health care policy (while having the production provided by private enterprise), effectively eliminating the forces of supply and demand.
State-directed or dirigist economies are those where the state plays a directive role in guiding the overall development of the market through industrial policies ou indicative planning—which guides yet does not substitute the market for economic planning—a form sometimes referred to as a mixed economy.
Market economies are contrasted with planned economies where investment and production decisions are embodied in an integrated economy-wide economic plan. In a centrally planned economy, economic planning is the principal allocation mechanism between firms rather than markets, with the economy's means of production being owned and operated by a single organizational body.