Are There Barriers to Entry Into the Shipping Industry?

There was apparently an issue that was of great concern where products would come to the united states and then empty containers would leave without being anything in it. The barriers to entry into th space were essentially non existent, huge boom and bus cycles. Even in boom times right now, companies regularly go out of business due to lack of pricing power. There is a ton of ay trust activy in the seryeersanetrcalling exception to the interest laws granted an constitutional rights.