1Steven L Scott and Hal R Varian Bayesian Variable Selection for Nowcasting EconomicTime series[M]//Economic Analysis of the Digital Economy University of Chicago Press 2014.
5Ginsberg J, Mohebbi M H, Pate1 R S, et al. Detecting influenza epidemics using search engine Query data [ J ]. Nature, 2009, 457, 1012- 1014.
6Doornik J A. Improving the Timeliness Of Data On Influenza-Like Illnesses Using Google Search Data [ R ]. Technical Re- port, University of Oxford, 2009.
7Askitas N, Zimmermann K F. Google econometrics and unemployment forecasting[ J]. Applied Economics Quarterly, 2009, (2) : 107 - 120.
8Wu Lynn, Erik Brynjolfsson. The Future of Prediction : How Google Searches Foreshadow Housing Prices and Sales [ C ]. Proceedings of the 2009 International Conference on Information Systems, 147.
9Cho H i, Varian H. Predicting the Present with Google Trends [ C ]. Technical Report, 2009, Google Inc.
10Samuelson P A, Solow R M. The problem of achieving and maintaining a stable price level: Analytical aspects of anti-infla-tion policy[J]. American Economic Review, 1960, (2): 177 -194.