what are the main sectors of the us economy
Economy of the United States US employment, as estimated in 2012, is divided into 79.7% in the service sector, 19.2% in the manufacturing sector, and 1.1% in the agriculture sector.[137]
Economic nationalism While the coining of the term "
Economics Theory and observation set out the conditions such that market prices of outputs and productive inputs select an allocation of factor inputs by comparative advantage, so that (relatively) low-cost inputs go to producing low-cost outputs. In the process, aggregate output may increase as a by-product or by design.[37] Such specialization of production creates opportunities for gains from trade whereby resource owners benefit from trade in the sale of one type of output for other, more highly valued goods. A measure of gains from trade is the increased income levels that trade may facilitate.[38]
Economy of the United States The economy of the United States is a highly developed mixed economy.[29][30] It is the world's largest economy by nominal GDP and the second-largest by purchasing power parity (PPP).[31] It also has the world's seventh-highest per capita GDP (nominal) and the eleventh-highest per capita GDP (PPP) in 2016.[32][33] The US has a highly diversified, world-leading industrial sector.[34] It is also a high-technology innovator with the second-largest industrial output in the world.[34] The U.S. dollar is the currency most used in international transactions and is the world's foremost reserve currency, backed by its science and technology, its military, the full faith of the U.S. government to reimburse its debts, its central role in a range of international institutions since World War II, and the petrodollar system.[35][36] Several countries use it as their official currency, and in many others, it is the de facto currency.[37][38] Its largest trading partners are China, Canada, Mexico, Japan, Germany, South Korea, United Kingdom, France, India, and Taiwan.[39]