Demand.- to Essays on Port Economics.- Port Marketing Strategies and the Challenges of Maritime Globalization.- Contextual Port Development: A Theoretical Approach.- The Conditioned Demands of "General Merchandise", "Dry Bulk" and "Liquid Bulk" Sea Transport.- Determinants of the Demand of International Maritime Transport.- The Demand for Maritime Transport: A Nonlinearity and Chaos Study.- Supply.- Productivity in Maritime Transportation.- Analysis of the Returns to Scale, Elasticities of Substitution and Behavior of Shipping (General Cargo) Production.- Returns to Scale, Elasticities of Substitution and Behavior of Shipping (Dry Bulk) Transport Costs, Some Empirical Evidence.- Cycles in the Ship Building Industry: An Empirical Evidence.- Port Economic Impact.- A Methodological Discussion on Port Economic Impact Studies and Their Possible Applications to Policy Design.- An Approach to the Contribution of the Port System.- The Economic Impact of Ports: Its Importance for the Region and Also the Hinterland.- The Effect of Port Infrastructures on Regional Production.- Regulation and Economic, Technical and Allocative Efficiency.- Bootstrapped Technical Efficiency of African Seaports.- Impact of New Technology on Port Administration.- Excess Capacity, Economic Efficiency and Technical Change in a Public-Owned Port System: An Application to the Infrastructure Services of Spanish Ports.- Analysis of Technical Efficiency and Rate of Return on Investment in Ports.- Cost Benefit Analysis and Externalities.- A Cost-Benefit Analysis of a New Container Terminal.- Evaluation of Port Externalities: The Ecological Footprint of Port Authorities.