Quality Disclosures and Disappointment: Evidence from the Academy Awards

M. Rossi
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引用次数: 1

Abstract

I study the impact of quality disclosures on buyers' ratings using data from an online recommender system. Disclosures may alter expectations on sellers' quality and affect buyers' rating behavior. In particular, if buyers' utility depends on their expectations, a positive disclosure of quality such as an award may lead to buyers' disappointment, negatively influencing their ratings. I identify the disappointment effect in moviegoers' ratings originated from the rise in expectations due to movies' nominations for the Academy of Motion Picture Arts and Sciences awards. I control for the selection of moviegoers who watch and rate movies before or after nominations with a non-parametric matching technique. After nominations, ratings for nominated movies significantly drop relative to ratings for movies that were not nominated. This short-term disappointment effect reduces the rating premium of nominated movies by more than five percent.
质量披露和失望:来自奥斯卡金像奖的证据
我使用来自在线推荐系统的数据研究质量披露对买家评级的影响。信息披露可能改变对卖方质量的预期,并影响买方的评级行为。特别是,如果买家的效用取决于他们的期望,那么对质量的积极披露(如奖励)可能会导致买家失望,从而对他们的评级产生负面影响。我认为,观影者评分的失望效应源于电影获得美国电影艺术与科学学院奖(Academy of Motion Picture Arts and Sciences)提名后期望的提高。我用非参数匹配技术控制了在提名之前或之后观看和评价电影的电影观众的选择。在获得提名后,被提名电影的收视率相对于未被提名电影的收视率明显下降。这种短期的失望效应使提名影片的收视率溢价减少了5%以上。
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