TREND AND STRUCTURE OF INCOME:
Each sector of the economy employs natural, human and material resources and contributes to the aggregate flow of goods and services during a given time period which may normally be specified as a year. The aggregate flow of goods and services represents the aggregate income earned by factors of production employed during the year, and is termed as national income or national product. The rate of growth of national income when compared with the rate of growth of population indicates whether the economy is declining, stagnant or developing. It is only when the national income grows at a rate faster than the rate of growth of population that the per capita income depicts a rising trend; the community iits stock of capital and the economy moves on the path of a rising level of activity and productivity. s able to improve its living standards and add to its stock of capital and the economy moves on the path of a rising level of activity and productivity.