Statistical Yearbook Thailand 2013

National Accounts The national income statistics presented in this chapter is derived from the publication, entitled, “ National Income of Thailand ” , published by the National Economic and Social Development Board, Office of the Prime Minister. “ National Accounts” statistics are the economic indicator of the nation. This type of data reflects the changes of the economy in relation to production, consumption, investment, savings, income and expenditures as indicator reflecting the economic situation of each year. It serves as an essential instrument for the analysis procedures to formulate the economic policy and planning for both public and private sectors. Furthermore, these statistics are the important tools for evaluating the development of the national economy according to the targets of the National Economic and Social Development Plan. The estimations of the national income of Thailand were made in accordance with the System of National Accounts. The result of the national income estimation on production approach, expenditure approach, and income approach are the same value. Production approach Gross Domestic Products ( GDP ) is the summation of all the values added of the domestic production which has been classified into 16 sectors. The value added of each sector represents the products of that sector less the value of goods and services purchased from other sector. Gross National Products ( GNP ) at current market price is the total of Gross Domestic Products ( GDP ) at current market prices adds net factor income payment from the rest of the world before the deduction of provision for the consumption of fix capital. Gross National Products ( GNP ) at constant price, the purpose of its estimation is to obtain the real value of all goods and services in the economy during a certain period without any change of the price. The GNP at constant price was calculated by using price in the year of 1988 as the base year. Gross Domestic Products at factor cost is the total of Gross Domestic Products ( GDP ) at current market prices less indirect taxes.