id author title date pages extension mime words sentence flesch summary cache txt WOS-000267651700004 Lee, K Do charter schools spur improved efficiency in traditional public schools in Michigan? 2009 .txt text/plain 129 6 40 This article evaluates the competitive effect of charter schools on hosting school districts, using Data Envelopment Analysis and a regression model. The results of our analysis show that charter hosting districts improved their efficiency score, as measured by DEA, more than other school districts. cache/WOS-000267651700004.txt txt/WOS-000267651700004.txt