【作者(必填)】Ryan Greenaway-McGrevy , Chirok Han , Donggyu Sul
【文题(必填)】Efficient Estimation and Inference for Difference-In-Difference Regressions with Persistent Errors
【年份(必填)】2014

【全文链接或数据库名称(选填)】http://www.emeraldinsight.com/doi/abs/10.1108/S0731-905320140000033009