PERSONAL INCOME AND NATIONAL INCOME: Personal income (PI) is the total income received by the members of the domestic household sector, which may or may not be earned from productive activities during a given period of time. National income (NI) is the total income earned by the citizens of the national economy resulting from their ownership of resources used in the production, which may or may not be received by members of the household sector. Personal income can be derived from national income by subtracting income earned but not received (IEBNR) and adding income received but not earned (IRBNE).A sizeable majority of national income earned by the factors of production is also received as personal income by the household sector. Moreover, a sizeable majority of the personal income received by the household sector is also earned by the factors of production. However, some income is earned but not received and some income is received but not earned. While not all of the differences between income earned and received are attributable to the government sector, most are. The major government activity differentiating national and personal income is the Social Security system, which uses taxes collected from the income earned by labor to provide benefits to the elderly and disabled. Two Adjustments
Income Earned But Not ReceivedThe three types of income earned but not received by the factors of production are Social Security taxes, corporate profits taxes, and undistributed corporate profits. In each case a factor of production has rightfully "earned" the income by contributing to valuable production contained in gross domestic product. However, because this income is not paid to the factor, it is not income received by the household sector.
Income Received But Not EarnedThe three types of income received but not earned are Social Security payments, unemployment compensation payments, and welfare payments. These are three key transfer payments from the government sector to the household sector. The basic goal of transfer payments is to transfer a portion of the income earned by the factors of production (because they HAVE income) to other members of the household sector (who presumably NEED more income than they have).
This equation illustrates how personal income (PI) can be derived by adjusting national income (NI):
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