Defined contribution plans like 401(k)s and 403(b)s offer portable retirement savings with real rate of return, contrasting to traditional defined benefit pensions.
Defined contribution plans like 401(k)s and 403(b)s involve regular employer and often employee contributions that are invested for retirement. Unlike defined benefit pensions, these plans are portable and subject to real rates of return. Social Security represents a form of pension plan as well.
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