How to calculate a country's economic aggregate with green gdp?

GDP, that is, gross domestic product, refers to the market value of all final products and services produced by all permanent units in a country (within national boundaries) within a certain period of time. GDP is the core index of national economic accounting, and it is also an important index to measure the overall economic situation of a country or region.

There are three methods of GDP accounting, namely, production method, income method and expenditure method, which reflect the results of national economic production activities from different angles, and the accounting results of the three methods are the same in theory.

Production method is a method to measure the newly created value of permanent residence units during the accounting period from the perspective of production, that is, the added value is obtained by deducting the value of intermediate products put into production process from the total value of products produced by various departments of the national economy during the accounting period. The accounting formula is: added value = total output-intermediate input.

Income method is an accounting method that reflects the final result according to the income share of production factors in the production process from the perspective of creating income in the production process. According to this accounting method, the added value is the sum of workers' remuneration, net product tax, depreciation of fixed assets and operating surplus.

Expenditure method is to measure the final destination of products and services in the accounting period from the perspective of end use, including final consumption expenditure, total capital formation and net export of goods and services.