Lending Club went public in 2014 and is now worth about $1.7B. They advertise P2P lending returns of over 7% for well-diversified portfolios of over 100 notes. I’ve personally been able to achieve a 7.4% annual return over the past two years in a completely passive way by investing in A and AA notes. Others have achieved a 10% annual return through relatively minimum effort.

However, residual income typically has an expiration date, especially if it is being earned through a business. Effort must be continuously put into the business in order for someone to continue to receive residual income. Businesses must continue to market themselves in order to remain relevant. The best way to look at residual income in this sense is that it is a part-time job that earns full-time income.
The first application of residual income, the remaining money after debts are paid each month, is relevant when analyzing a person's financial status or ability to qualify for financing. The second application, the more widely recognized meaning of residual income, is money that is received on an on-going basis for work that is completed once. This form of income allows the recipient to generate revenue that is not based on time limits. Residual income is the foundation for wealth because it offers flexibility in earning and maximizing income. It also allows income to be generated long after the work has been done.

The authors found that those born to parents in the bottom 20 percent of earners (measured by permanent income, or the average labor market earnings over people’s working lives) had a 39 percent chance of remaining in the bottom 20 percent. Those born in the bottom 20 percent of the wealth distribution had a 27 percent chance of staying there. On the other end of the spectrum, those born in the top 20 percent of permanent income and wealth distributions had a 41 and 47 percent chance of staying there, respectively. (Figures showing these transitions are available in The Regional Economist article “Which Persists More from Generation to Generation—Income or Wealth?”)

Residual income is calculated as net income less a charge for the cost of capital. The charge is known as the equity charge and is calculated as the value of equity capital multiplied by the cost of equity or the required rate of return on equity. Given the opportunity cost of equity, a company can have positive net income but negative residual income.

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