A growing feature ofThe papers on the dry bulk and tanker
markets (35, or 7.6%) are placed in a single
segment even though the substitutability
of ships between the markets has diminished.
The number of papers in these journals
is signifi cant but not substantial. It
belies the importance of the area because
of many publications in other journals
and in business journals and consulting
reports. The segment appears to be more
prominent today than previously. The
research provides a better understanding of
the market dynamics, including the changing
relationship among market segments. A
feature of the research is the greater use of
modeling, as refl ected in Glen (2006) . There
has been continuity from earlier works
(Veenstra and De La Fosse 2006 )
liner shipping since 1970 has been the extension
of ownership by lines into logistics and
port operations, which has raised issues for
the strategies of the lines and others in the
supply chain (Heaver, Meersman, Moglia
and Van de Voorde 2000 ; Panayides 2006b ;
Song and Panyides 2008 )