This book provides a detailed discussion of port freight service users such as freight water and land carriers that have their ships and vehicles, respectively, serviced by ports and have their cargoes unloaded from and to their ships and vehicles, respectively as well as a detailed discussion of port passenger service users such as passenger ferry carriers that have their ferry vessels and passengers serviced by ferry passenger ports. This text continues to enhance our understanding of port economics by exploring the economic theories, supply and demand curves, and the actual and opportunity costs, relating to the carriers, shippers and passengers who use ports.