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Promotional Reviews-An Empirical Investigation of Online Review Manipulation

参考文献：

J. Altonji, T. Elder, and C. Taber. Selection on Observed and Unobserved Variables: Assessing the E ectiveness of Catholic Schools. Journal of Political Economy, 113(1):151 184, 2005.

B. Anand and R. Shachar. (Noisy) Communication. Quantitative Marketing and Economics, 5(3): 211 237, 2009.