labor segment is also signifi cant (20, or
4.4%), with the role of crewing and management
in safety and security contributing
to the number of papers. The segment on
passenger and ferry services (8, or 1.7%) is
also diverse; it includes papers on the cruise
industry and ferries. The papers on ferries
relate to an aspect of short - sea services, but
with an emphasis on passengers, not freight.
The shipbuilding segment also includes
a variety of subjects, some papers, for
example Dikos (2004) , relating shipbuilding
cycles to those of charter markets