This paper is the first result of a project aiming at understanding the history of bankruptcy law from an empirical economic perspective. By contrast with some proponents of "law and economics" (e.g. La Porta & alii, 1998), we consider that the impact of bankruptcy law on national economic performance cannot be deducted a priori from a simple description of the law, but can only be measured examining actual court practices and economic agents' behaviour. First of all, we believe that an empirical assessment of bankruptcy must start with a better understanding of what determines the proportions of debtor-creditors relationships which end-up in court (contrasting with those settled outside the courts, see Klapper, 2001). This simple question,...