[{"title":"(4个子文件1.43MB)如何用stata做事件研究的命令以及详细步骤资料案例解释.zip","children":[{"title":"事件研究法资料","children":[{"title":"EventStudy.pdf <span style='color:#111;'>473.39KB</span>","children":null,"spread":false},{"title":"stata事件研究.doc <span style='color:#111;'>149.50KB</span>","children":null,"spread":false},{"title":"用stata做事件研究实例.pdf <span style='color:#111;'>1.17MB</span>","children":null,"spread":false},{"title":"如何用stata做事件研究.doc <span style='color:#111;'>35.50KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]