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The determinants of price in online auctions: more evidence from unbalanced panel data

机译:在线拍卖价格的决定因素:来自不平衡面板数据的更多证据

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摘要

This study provides an alternative approach that takes account of the unobserved effects of each seller under a sample selection framework while using online auction data. We use data collected from Yahoo! Kimo Auction (Taiwan) to demonstrate that earlier empirical results of online auction studies may be biased due to violating the assumption of independence of the error terms between sample observations. Empirical findings show that seller reputation is no longer as the most important factor for buyers to bid on items, while the sample data confirm the unobserved heterogeneity of sellers and sample selection problem.
机译:这项研究提供了一种替代方法,该方法考虑了使用在线拍卖数据时在样本选择框架下每个卖方的未观察到的影响。我们使用从Yahoo!收集的数据Kimo Auction(台湾)证明,由于违反了样本观察之间误差项的独立性假设,在线拍卖研究的早期经验结果可能会产生偏差。实证结果表明,卖方声誉不再是买方竞标项目的最重要因素,而样本数据证实了卖方未观察到的异质性和样本选择问题。

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