We employ an event study methodology to investigate the stock price reaction around the day of the political decision to include a country-by-country reporting obligation for EU financial institutions. We do not find significant abnormal returns for the banks affected. Sample splits according to...

As a result of the confidential sharing of data among tax authorities in different jurisdictions, effective tax rates have risen by between one and two percentage points. This demonstrates that the rules in place are working. By contrast, the publication of sensitive corporate data online makes...