Match the term with its definition. 1. Economics 2. Microeconomics 3. Applied economics 4. Positive...: ответ на тест 1029227 - Английский язык

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Agricultural economics has been one of the leading branches of applied economics since the 1920s. Now it is developing rapidly and successfully as it is important for most countries of the world.
In order to understand agricultural economics it is necessary to know how crops are sown, cultivated, fertilized, and harvested, how livestock is bred, raised, fattened, and sold.

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Mathematical economics
1. Mathematical economics is the application of mathematical methods to represent theories and analyze problems in economics. By convention, the applied methods refer to those beyond simple geometry, such as differential and integral calculus, difference and differential equations, matrix algebra, mathematical programming, and other computational methods. An advantage claimed for the approach is its allowing formulation of theoretical relationships with rigor, generality, and simplicity.
2. It is argued that mathematics allows economists to form meaningful, testable propositions about wide-ranging and complex subjects which could less easily be expressed informally. Further, the language of mathematics allows economists to make specific, positive claims about controversial or contentious subjects that would be impossible without mathematics. Much of economic theory is currently presented in terms of mathematical economic models, a set of stylized and simplified mathematical relationships asserted to clarify assumptions and implications.
3. Economics became more mathematical as a discipline throughout the first half of the 20th century, but introduction of new and generalized techniques in the period around the Second World War, as in game theory, would greatly broaden the use of mathematical formulations in economics.
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1. Specie
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1. Consumption
2. Production
3. Consumerism
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1. Unemployment insurance
2. Social security
3. Interest
4. Welfare