In the core rules for the merchant career, result 6 mentions that the cha-
racter was driven into bancrupcy, and four of the other results (ruined by
a competitor, trade routes and contacts destroyed, ship or space port de-
stroyed, forced to close down the business) could easily be interpreted as
bankrupcy, too.
So rules for bankruptcy seem to make sense at least for someone who
uses the core rules, which many players are likely to do.
However, I only have the German version, perhaps the English versions
of the mishaps are somewhat less explicit.