Most public school teachers in the United States are enrolled in defined benefit (DB) pension plans. Using administrative micro data from four states, combined with national pension funding data, we show these plans have accumulated substantial unfunded liabilities -- effectively debt -- owing to previous plan operations. On average across 49…

Barriers to mobility, particularly those imposed by state-level licensure procedures have received growing attention in the media and in reform discussions. Much of this attention is driven by shortages of teachers in some regions and subject areas and the fact that barriers to mobility make it more difficult for states to address such shortages…