Earth

From Wikipedia, the free encyclopedia. This article is about the planet. For its human aspects, see the World. For other uses, see Earth (disambiguation) and Planet Earth (disambiguation). Earth is the third planet from the Sun and the only astronomical object known to harbor life. According to radiometric dating estimation and other evidence, Earth formed over 4.5 billion years ago. Earth's gravity interacts with other objects in space, especially the Sun and [...]

Economics

Economics (/ɛkəˈnɒmɪks, iːkə-/)[1][2][3] is the social science that studies the production, distribution, and consumption of goods and services.[4] Economics focuses on the behaviour and interactions of economic agents and how economies work. Microeconomics analyzes 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 [...]