Išanalizavus literatūros šaltinius, atkreiptinas dėmesys, jog yra pakankamai plačiai ištirta jūrų uostų veiklos ekonominė perspektyva ir konkurencinių pranašumų sritis. This work demonstrates the necessity for improving port pricing in several ports on both banks of the Western Mediterranean Sea, as well as the necessity for fairer application of port dues.

Such deviation has an influence on the pricing system and fairness of invoicing. It also exposes deviation in the application of these models implied by path dependency. An empirical study on ports located in Western Mediterranean Sea countries illustrates the relevance of these two models. These categories are essential insofar as they correspond to two geographical realities of ports: bay ports for the former, and channel ports for the latter. Therefore, we classify vessel port dues into two categories: Gross Tonnage based, and Cubic Meter based. This study investigates vessel port dues, which follow diverse formulas of calculation that complicate comparisons. As such, while they may not have a direct impact on the attractiveness and competition of ports, their indirect impact is unquestionable. Their objective is to balance budgets (recovery pricing, marginal cost pricing, external cost pricing, etc.) and enable financing of infrastructure. They are, however, a major source of revenue for port authorities. Port dues have a limited impact on the door-to-door international decision making process.

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