Economist and political sience study markets without third party enforcment. There many ways to do it, one of them is to use personal investment to build trust.

Economist and political sience study markets without third party enforcment. There many ways to do it, one of them is to use personal investment to build trust. Invitation to ones house is building up a trust relationship, both offer each oother higher risk of exposure but build up a long running buissness relation.