Income is conventionally denoted by "Y" in economics. John Hicks used "I" for income, but Keynes wrote to him in 1937, "immediately after seeking both, I think it's easier to use Y for income And that i for financial investment. This can be a sort of passive income, but it https://fummelincomestreams95892.designertoblog.com/66522155/a-review-of-income-streams