Pensions are a promise made today of benefits to be received tomorrow. They reward employees, including public school teachers, who remain working in a system for extended periods, often for their entire careers. And they impose large costs on those who leave before reaching retirement eligibility--all in the hopes of encouraging them to stay.…

This paper analyzes a 2002 policy change in Florida allowing teachers to choose between a traditional defined benefit pension plan and a 401k-style defined contribution plan. The authors were able to track who chose which plan, what subject they taught, how effective they were in the classroom, how long they remained teaching, and whether the…