Answers are grounded in this paper and cite their sources.
(1989). An econometric model of the world market for dry cargo freight and shipping. Applied Economics: Vol. 21, No. 3, pp. 339-356.
No takes yet. Share an insight, caveat, or question.
Beenstock et al. (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: