Understand the income approach to GDP, where total expenditures equal the income from goods and services in an economy.

Bloomberg Indices has launched the Bloomberg US Total Fixed Income Market Index (Ticker: TOTALFI), a market-value weighted benchmark that aims to track the full investable US fixed income universe.

Income-centric approaches for generating retirement income are a steady source of income, however, this may be volatile depending on interest rates. A portfolio with a total return approach for ...