“…Country dummy 𝜌𝜌 𝑖𝑖 gives the average correlation coefficient for country i, controlling for analysed K characteristics of publication j such as publication year, variable, methodology, sample size, frequency, author affiliation or whether the publication is a journal. We try to use the common best-practice option as our base category (Doucouliagos, 2016). Thus, we can interpret country dummies as the best-practice level estimate of business cycle correlation with the euro area, controlling for all sources of bias mentioned above.…”