今天例行扫了两篇论文(主要是最近开始跑hadoop,各种时间都花在等结果上了...)。第一篇是和MIT 08年搞的那个利用线上价格来监测通胀指数的项目(Billion Prices Project )有关(简单来说就是搜集了一堆在线商品的价格然后构造价格指数)。(8) The Billion Prices Project: Using Online Prices for Measurement and ResearchAlberto Cavallo and Roberto RigobonA large and growing share of retail prices all over the world are posted online on the websites of retailers. This is a massive and (until recently) untapped source of retail price information. Our objective with the Billion Prices Project, created at MIT in 2008, is to experiment with these new sources of information to improve the computation of trad
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