Even in big cities people can create smaller units and interact more frequently within these units. So they would trust more their neighbors, coworkers, etc. But here is an opportunity for exploitation by people who don’t mind frequent migration or changing jobs—they often reset their social karma, so they should be trusted less.
And they are—itinerant people are universally less trusted than the ones with home addresses.
And they are—itinerant people are universally less trusted than the ones with home addresses.