The Spectre of Letterbox Companies: An Empirical Analysis of the Bankruptcy Ratio of Private Limited Companies Operating in Germany in Years 2004–2017 - European Company Law View The Spectre of Letterbox Companies: An Empirical Analysis of the Bankruptcy Ratio of Private Limited Companies Operating in Germany in Years 2004–2017 by - European Company Law The Spectre of Letterbox Companies: An Empirical Analysis of the Bankruptcy Ratio of Private Limited Companies Operating in Germany in Years 2004–2017 16 2 European Company Law