Macroeconomics

Ilustration: book

The distinction between macro and micro economics is the most usual classification of economic analysis.

Economics

The most common division of economics is that which separates macroeconomics from microeconomics. The difference between macro and micro was introduced in 1933 by the Norwegian, Ragnar Frisch. The origin of the words says a lot about their meaning: in Greek, macro means big and micro means small.

Models

A model is a representation of a theory or event. An economic model is a simplified representation of economic processes. This representation can be used to:

  • gain a better understanding of the theory,
  • to explain the theory to others
  • to generate hypotheses about economic behavior, that can be compared against economic outcomes.
  • to predict the outcome of economic policies.
Countries

The GDP is the monetary value of final goods and services produced by an economy in a given period of time.

The word gross means that certain values are not calculated; these values are: variation in inventories and capital depreciations or appreciations.

The word domestic indicates production within the geographical boundaries of a given economy and

The word product refers to an added value.

National Income per capita per country

National income is the sum of the incomes of the owners of the production factors, belonging to a specific nationality and during a specific period of time, usually one year.

It includes:

  • Income of labour: Salaries
  • Income of capital: Rents, interests, utilities and dividends
  • Income of land: Rent of the land

National income doesn’t include those incomes that doesn’t have the provision of a good or a service as a counterpart, like:

Picture of people

Economics is a social science that studies the way in which people, organizations and countries assign resources. Its objective is to study the relationships between production, distribution, exchange and consumption of goods, services and ideas.

The main objective of economics is to enhance the well being of people, but this does not necessarily mean to grant them the greatest amount of consumer goods.

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