conclude a contract prior to the delivery of goods. It's also worth noting that important product categories and distribution …

bias on user-generated content platforms are rare. We develop a novel procedure to detect coverage bias - i.e., bias in the … disentangle coverage bias from unobserved heterogeneity between observations. We apply our procedure to Wikipedia and examine … whether it has a coverage bias in its biographies of German (and French) Members of Parliament (MPs). Our analysis reveals a …

of sons. Although there is some persistence at both ends of the income distribution, the results show a high level of …