The flow rate between planets will dictate the number of barbers you need on each. So saying you see 2x barber jobs is not accurate.<p>IF  on-par everything that each GOOG and FB need, then OK - sure... but assume GOOG and FB are mutually exclusive to each planet?<p>If all services equal? THEN yes<p>Are all resources and land masses in the same spot? Then you would need to regulate how any new natural discoveries are made -- and exploited... you dont want carlyle group plundering BOTH Earth-A AND Earth-B...<p>Actually one should be depopulated and maintained as a plentary-level-nature reserve.