Current HICP measurement practices produce an upward bias of about one-ninth of a percentage point in German inflation … consider this source of mismeasurement when assessing the precision of the HICP as a measure of "true" inflation. …

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 …