Hasagat Gevul: Economic Competition in Jewish Law

 https://www.jlaw.com/Articles/hasagatgevul.html

This area is particularly complex, as it depends on both many unresolved halachic disputes and changing business conditions. It is thus important to present all cases to dayanim who are Torah scholars and who understand the intricacies of business (see Aruch Hashulchan, C.M. 15:6). It should not surprise people to find that different batei din rule differently in these matters, considering the many unresolved disputes involved.