Rethinking Limits on Tax-Deferred Retirement Savings in Canada
By William B. P. Robson (C.D. Howe Institute) Tax rules limiting the amount of tax deferral available to Canadians in various retirement saving vehicles need some measure of equivalency among them. Since 1990 this measure has been the Factor of Nine, based on the proposition that saving 9 percent of annual earnings will let a person buy a retirement annuity equal to 1 percent of pre-retirement income. A quarter century later, the flaws in the Factor of Nine are glaring...