TY - JOUR AU - Akerlof,George A. AU - Katz,Lawrence F. TI - Workers' Trust Funds and the Logic of Wage Profiles JF - National Bureau of Economic Research Working Paper Series VL - No. 2548 PY - 1989 Y2 - October 1989 UR - http://www.nber.org/papers/w2548 L1 - http://www.nber.org/papers/w2548.pdf N1 - Author contact info: George A. Akerlof 683 San Luis Road Berkeley, CA 94707-1725 E-Mail: akerlof@econ.berkeley.edu Lawrence F. Katz Department of Economics Harvard University Cambridge, MA 02138 Tel: 617/495-5148 Fax: 617/613-1245 E-Mail: lkatz@harvard.edu AB - This paper defines a concept, a worker's trust fund, which is useful in analyzing optimal age-earnings profiles. The trust fund represents what a worker loses if dismissed from a job for shirking. In considering whether to work or shirk, a worker weighs the potential loss due to forfeiture of the trust fund if caught shirking against the benefits from reduced effort. This concept is used to show that the implicit bonding in upward sloping age-earnings profiles is not a perfect substitute for an explicit upfront performance bond (or employment fee). It is also shown that the second-best optimal earnings profile in the absence of an upfront employment fee pays total compensation in excess of market clearing in a variety of stylized cases. ER -