Rent seeking and judicial bias in weak legal systems

We model rent seeking in litigation in weak legal systems as a Tulloch contest in which litigators may seek to influence the court directly through bribery as well as through the merit of the legal case that they bring. If the local firm has a competitive advantage in influencing the court then there is a strategic asymmetry between the players: the local firm regards expenditure by the foreign firm as a strategic complement, but the for-eign firm regards local expenditure as a strategic substitute. This leads to different attitudes to commitment: the local firm would like to commit to a high level of effort to influence the court, the foreign firm to a low one. There is also an asymmetry in the commitment technology. It is not easy to commit to a low level of bribery, but it is feasible to commit to a high one: once a payment is made it cannot easily be recovered. We model the interaction as a two stage game: the players simultaneously commit to a minimum level of effort, then they play a simultaneous Tulloch influ