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11 October 改功課的時候总是痛苦的 好多小朋友抄功课 打电话去问一个认识的小朋友怎么会抄成这样.... 明明是抄的,答案怎么还如此恶心.... 小朋友说从CORNELL的网上找的 反正不是作者的答案,难道CORNELL的TA就不会做错么 作者的答案也有很多不合理的地方 虽然不敢说自己做的就一定对 但是哪些是抄答案,哪些是参考了答案,哪些是抄别人的,哪些是自己做的,哪些人抄的时候自己是明白的,哪些人抄的时候自己是不明白的 所有的情况,在改功课的时候都可以看得一清二楚 但愿小朋友们都能明白这一点 这是很可怕的coordination game,大家去找答案来抄,可是如果别人跟你抄的是同一份,你就露馅了 被识破的几率随着班上人数的增加和消息来源的减少而增加, 班上有超过80个人,来源差不多4,5个吧 另外一个不是coordination,一下想不到是什么,因为是dynamic的 但是基本上属于本能的tit-for-tat之类的 他们越是抄功课,我给分就越严,分数越低,他们就更加要抄答案 只可怜了那些坚持自己做功课(或找不到答案)的小朋友了
9 October
Macro课上听说的东西,转来学习一下文件精神
转自: http://faculty.chicagogsb.edu/john.cochrane/research/Papers/mortgage_protest.htm
(This letter was sent to Congress on Wed Sept 24 2008 regarding the Treasury plan as outlined on that date. It does not reflect all signatories views on subesquent plans or modifications of the bill)
To the Speaker of the House of Representatives and the President pro tempore of the Senate: As economists, we want to express to Congress our great concern for the plan proposed by Treasury Secretary Paulson to deal with the financial crisis. We are well aware of the difficulty of the current financial situation and we agree with the need for bold action to ensure that the financial system continues to function. We see three fatal pitfalls in the currently proposed plan: 1) Its fairness. The plan is a subsidy to investors at taxpayers’ expense. Investors who took risks to earn profits must also bear the losses. Not every business failure carries systemic risk. The government can ensure a well-functioning financial industry, able to make new loans to creditworthy borrowers, without bailing out particular investors and institutions whose choices proved unwise. 2) Its ambiguity. Neither the mission of the new agency nor its oversight are clear. If taxpayers are to buy illiquid and opaque assets from troubled sellers, the terms, occasions, and methods of such purchases must be crystal clear ahead of time and carefully monitored afterwards. 3) Its long-term effects. If the plan is enacted, its effects will be with us for a generation. For all their recent troubles, America's dynamic and innovative private capital markets have brought the nation unparalleled prosperity. Fundamentally weakening those markets in order to calm short-run disruptions is desperately short-sighted. For these reasons we ask Congress not to rush, to hold appropriate hearings, and to carefully consider the right course of action, and to wisely determine the future of the financial industry and the U.S. economy for years to come.
Signed (updated at 9/27/2008 6:00PM CT)
Acemoglu Daron (Massachussets Institute of Technology) Ackerberg Daniel (UCLA) Adler Michael (Columbia University) Admati Anat R. (Stanford University) Ales Laurence (Carnegie Mellon University) Alexis Marcus (Northwestern University) Alvarez Fernando (University of Chicago) Andersen Torben (Northwestern University) Baliga Sandeep (Northwestern University) Banerjee Abhijit V. (Massachussets Institute of Technology) Barankay Iwan (University of Pennsylvania) Barry Brian (University of Chicago) Bartkus James R. (Xavier University of Louisiana) Becker Charles M. (Duke University) Becker Robert A. (Indiana University) Beim David (Columbia University) Berk Jonathan (Stanford University) Bisin Alberto (New York University) Bittlingmayer George (University of Kansas) Blank Emily (Howard University) Boldrin Michele (Washington University) Bollinger, Christopher R. (University of Kentucky) Bossi, Luca (University of Miami) Brooks Taggert J. (University of Wisconsin) Brynjolfsson Erik (Massachusetts Institute of Technology) Buera Francisco J.(UCLA) Cabral Luis (New York University) Camp Mary Elizabeth (Indiana University) Carmel Jonathan (University of Michigan) Carroll Christopher (Johns Hopkins University) Cassar Gavin (University of Pennsylvania) Chaney Thomas (University of Chicago) Chari Varadarajan V. (University of Minnesota) Chauvin Keith W. (University of Kansas) Chintagunta Pradeep K. (University of Chicago) Christiano Lawrence J. (Northwestern University) Clementi, Gian Luca (New York University) Cochrane John (University of Chicago) Coleman John (Duke University) Constantinides George M. (University of Chicago) Cooley, Thomas (New York University) Crain Robert (UC Berkeley) Culp Christopher (University of Chicago) Da Zhi (University of Notre Dame) Darity, William (Duke University) Davis Morris (University of Wisconsin) De Marzo Peter (Stanford University) Dubé Jean-Pierre H. (University of Chicago) Edlin Aaron (UC Berkeley) Eichenbaum Martin (Northwestern University) Ely Jeffrey (Northwestern University) Eraslan Hülya K. K.(Johns Hopkins University) Fair Ray (Yale University) Faulhaber Gerald (University of Pennsylvania) Feldmann Sven (University of Melbourne) Fernandez, Raquel (New York University) Fernandez-Villaverde Jesus (University of Pennsylvania) Fohlin Caroline (Johns Hopkins University) Fox Jeremy T. (University of Chicago) Frank Murray Z.(University of Minnesota) Frenzen Jonathan (University of Chicago) Fuchs William (University of Chicago) Fudenberg Drew (Harvard University) Gabaix Xavier (New York University) Gao Paul (Notre Dame University) Garicano Luis (University of Chicago) Gerakos Joseph J. (University of Chicago) Gibbs Michael (University of Chicago) Glomm Gerhard (Indiana University) Goettler Ron (University of Chicago) Goldin Claudia (Harvard University) Gordon Robert J. (Northwestern University) Greenstone Michael (Massachusetts Institute of Technology) Gregory, Karl D. (Oakland University) Guadalupe Maria (Columbia University) Guerrieri Veronica (University of Chicago) Hagerty Kathleen (Northwestern University) Hamada Robert S. (University of Chicago) Hansen Lars (University of Chicago) Harris Milton (University of Chicago) Hart Oliver (Harvard University) Hazlett Thomas W. (George Mason University) Heaton John (University of Chicago) Heckman James (University of Chicago - Nobel Laureate) Henderson David R. (Hoover Institution) Henisz, Witold (University of Pennsylvania) Hertzberg Andrew (Columbia University) Hite Gailen (Columbia University) Hitsch Günter J. (University of Chicago) Hodrick Robert J. (Columbia University) Hollifield Burton (Carnegie Mellon University) Hopenhayn Hugo (UCLA) Hurst Erik (University of Chicago) Imrohoroglu Ayse (University of Southern California) Isakson Hans (University of Northern Iowa) Israel Ronen (London Business School) Jaffee Dwight M. (UC Berkeley) Jagannathan Ravi (Northwestern University) Jenter Dirk (Stanford University) Jones Charles M. (Columbia Business School) Jovanovic Boyan (New York University) Kaboski Joseph P. (Ohio State University) Kahn Matthew (UCLA) Kaplan Ethan (Stockholm University) Karaivanov Alexander (Simon Fraser University) Karolyi, Andrew (Ohio State University) Kashyap Anil (University of Chicago) Keim Donald B (University of Pennsylvania) Ketkar Suhas L (Vanderbilt University) Kiesling Lynne (Northwestern University) Klenow Pete (Stanford University) Koch Paul (University of Kansas) Kocherlakota Narayana (University of Minnesota) Koijen Ralph S.J. (University of Chicago) Kondo Jiro (Northwestern University) Korteweg Arthur (Stanford University) Kortum Samuel (University of Chicago) Krueger Dirk (University of Pennsylvania) Ledesma Patricia (Northwestern University) Lee Lung-fei (Ohio State University) Leeper Eric M. (Indiana University) Letson David (University of Miami) Leuz Christian (University of Chicago) Levine David I.(UC Berkeley) Levine David K.(Washington University) Levy David M. (George Mason University) Linnainmaa Juhani (University of Chicago) Lucas Robert (University of Chicago - Nobel Laureate) Ludvigson, Sydney C. (New York University) Luttmer Erzo G.J. (University of Minnesota) Manski Charles F. (Northwestern University) Martin Ian (Stanford University) Mayer Christopher (Columbia University) Mazzeo Michael (Northwestern University) McDonald Robert (Northwestern University) Meadow Scott F. (University of Chicago) Meeropol, Michael (Western New England College) Mehra Rajnish (UC Santa Barbara) Mian Atif (University of Chicago) Middlebrook Art (University of Chicago) Miguel Edward (UC Berkeley) Miravete Eugenio J. (University of Texas at Austin) Miron Jeffrey (Harvard University) Moeller, Thomas (Texas Christian University) Moretti Enrico (UC Berkeley) Moriguchi Chiaki (Northwestern University) Moro Andrea (Vanderbilt University) Morse Adair (University of Chicago) Mortensen Dale T. (Northwestern University) Mortimer Julie Holland (Harvard University) Moskowitz, Tobias J. (University of Chicago) Munger Michael C. (Duke University) Muralidharan Karthik (UC San Diego) Nair Harikesh (Stanford University) Nanda Dhananjay (University of Miami) Nevo Aviv (Northwestern University) Ohanian Lee (UCLA) Pagliari Joseph (University of Chicago) Papanikolaou Dimitris (Northwestern University) Parker Jonathan (Northwestern University) Paul Evans (Ohio State University) Pearce David (New York University) Pejovich Svetozar (Steve) (Texas A&M University) Peltzman Sam (University of Chicago) Perri Fabrizio (University of Minnesota) Phelan Christopher (University of Minnesota) Piazzesi Monika (Stanford University) Pippenger, Michael K. (University of Alaska) Piskorski Tomasz (Columbia University) Platt Brennan C. (Brigham Young University) Rampini Adriano (Duke University) Ray, Debraj (New York University) Reagan Patricia (Ohio State University) Reich Michael (UC Berkeley) Reuben Ernesto (Northwestern University) Rizzo, Mario (New York University) Roberts Michael (University of Pennsylvania) Robinson David (Duke University) Rogers Michele (Northwestern University) Rotella Elyce (Indiana University) Roussanov Nikolai (University of Pennsylvania) Routledge Bryan R. (Carnegie Mellon University) Ruud Paul (Vassar College) Safford Sean (University of Chicago) Samaniego Roberto (George Washington University) Sandbu Martin E. (University of Pennsylvania) Sapienza Paola (Northwestern University) Savor Pavel (University of Pennsylvania) Schaniel William C. (University of West Georgia) Scharfstein David (Harvard University) Seim Katja (University of Pennsylvania) Seru Amit (University of Chicago) Shang-Jin Wei (Columbia University) Shimer Robert (University of Chicago) Shore Stephen H. (Johns Hopkins University) Siegel Ron (Northwestern University) Smith David C. (University of Virginia) Smith Vernon L.(Chapman University- Nobel Laureate) Sorensen Morten (Columbia University) Spatt Chester (Carnegie Mellon University) Spear Stephen (Carnegie Mellon University) Stevenson Betsey (University of Pennsylvania) Stokey Nancy (University of Chicago) Strahan Philip (Boston College) Strebulaev Ilya (Stanford University) Sufi Amir (University of Chicago) Tabarrok Alex (George Mason University) Taylor Alan M. (UC Davis) Thompson Tim (Northwestern University) Troske Kenneth (University of Kentucky) Tschoegl Adrian E. (University of Pennsylvania) Uhlig Harald (University of Chicago) Ulrich, Maxim (Columbia University) Van Buskirk Andrew (University of Chicago) Vargas Hernan (University of Phoenix) Veronesi Pietro (University of Chicago) Vissing-Jorgensen Annette (Northwestern University) Wacziarg Romain (UCLA) Walker Douglas O. (Regent University) Walker, Todd (Indiana University) Weill Pierre-Olivier (UCLA) Williamson Samuel H. (Miami University) Witte Mark (Northwestern University) Wolfenzon, Daniel (Columbia University) Wolfers Justin (University of Pennsylvania) Woutersen Tiemen (Johns Hopkins University) Wu Yangru (Rutgers University) Yue Vivian Z. (New York University) Zingales Luigi (University of Chicago) Zitzewitz Eric (Dartmouth College)
28 September 小时候总是很羡慕老师有拿红笔在别人本子上打叉叉的权力
这个星期终于第一次名正言顺地行使了自己的权力
发现自己并不喜欢,而且也没有了小时候那种叉叉打得越大越好的欲望
尤其是某些人的字和态度,实在是接受不了
虽然大家做的都是一样的题目,却也有和大家对话的感觉
看到努力的小朋友们作业却没有做对的时候很遗憾
看到整洁的小朋友们漂亮的作业总有为他们加分的冲动
看到不诚实的小朋友们抄作业的时候就拼命找错,没有惩罚抄袭的政策,但有对不完美扣分的权力
幸亏课本作者的答案实在是太差了,充其量只是提示而已
按照我的标准,直接拿来当答案基本上是没有分的
虽然不总能做到,但不诚实是需要受到惩罚的,作业或者考试时而已
还跑到商店买了一个"thank you"的小猪印章
给不能加分的漂亮的作业加点点缀吧
21 September 昨天下雨,在学校看见一只很大的蜗牛.长得跟几个月前在宿舍楼下看到的那只很像,只是好像再大一点. 不知道是不是同一只呢.几个月应该够一只蜗牛从宿舍爬到学校有多了.
坐下来看了半截新闻,听到报六合彩号码,居然有49号 于是想起以前抽背书的日子,从来没抽到50号的样子.是50号从来没中过还是六合彩没有50号? 然后又想起以前要默书的日子,2班总是比我们早一节课,然后他们一下课就找人问默哪一节书. 笑......
整天担心,也不知道担心什么. 金融市场,牛奶公司,所有这些明明很无关紧要的事情都会影响心情. 印象中,上一次出现这样的心情还是初三了吧. 现在应该比初三还好一点,不过是在空荡荡又没有窗户的办公室里待太久了.
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