清华精品课程中提供的计量经济学课件。链接：http://166.111.92.10/jpkcgc/aao_72/index.jsp?&fid=10967&curid=10967&curformat=c&cursort=c&fmodulecode=7200&modulecode=7201&messagefid=10967&pageformat=pagesplite&oderitem=&seq=&topage=1[em01]