10/8/10

About Last Hired, First Fired

For you union busters out there who think last hired, first fired causes good teachers to be let go in favor retaining old, burnt out teachers, I give you the following:
We conduct an interrupted time-series analysis of data from 1998-2005 and find that the shift from a seniority-based hiring system to a “mutual consent” hiring system leads to an initial increase in both teacher turnover and share of inexperienced teachers, especially in the district’s most disadvantaged schools. For the most part, however, these initial shocks are corrected within four years leaving little change in the distribution of inexperienced teachers or levels of turnover across schools of different advantage.
SF101

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