TY - GEN AU - CHEN, YUBO AU - LIU, YONG TI - When do third party product reviewa affect firm value and what can firms do?: The case of media critics and professional movie reviews PY - 2012/// KW - ADVERTISING KW - THIRD PARTY PRODUCT REVIEW(TPR) N2 - Third party product reviews have become ubiquitous in many industries. Aided by communication technologies, particularly on the Internet, TPRs are widely available to consumers, managers and investors. The authos examine weather and how TPRs of new product influence the financial values of firms introducing the products. The authors further study the dynamics of TPR impact on the firm value and find thet the impact exists onley for prerelease reviews and is the strongest on the product relese date ER -