The construction of a multivariable model to determine how earnings are co-related to ship’s size, type, distance, own demand, & numbers in the group, & over such times like 2003-2008

The “capital gain/loss” (*) -not only to determine if capital gains should be taxed, as hitherto, but also for certain important shipping practices (**). We may call it: “the value of a company’s fleet issue”

The introduction of monopolistic competition into shipping industry is done for the first time, and perhaps has an interest for further research

Maritime economists dealt so far mainly with ship’s size, and not so much with ship’s type, vis-à-vis volatility. It is advisable to research further the question “why & how certain ship types earn more than others?”