Income is conventionally denoted by "Y" in economics. John Hicks applied "I" for income, but Keynes wrote to him in 1937, "after making an attempt both equally, I believe it's simpler to use Y for income And that i for investment. This report offers facts on income, earnings, & income https://income-streams57282.theobloggers.com/41587109/examine-this-report-on-fummel-income-streams