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Πλοήγηση ανά Συγγραφέα "Moysiadou, Stergiani A."

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    Essays on finance, economics and shipping
    (2021-06-29) Moysiadou, Stergiani A.; Μωϋσιάδου, Στεργιανή; Athens University of Economics and Business, Department of Accounting and Finance; Drakos, Konstantinos; Rompolis, Leonidas; Tsekrekos, Andrianos; Georgoutsos, Dimitrios; Chalamandaris, George; Tsouknidis, Dimitrios; Kavussanos, Manolis
    This Ph.D. Thesis consists of four research papers. The first paper provides a brief and concise description of the various sectors and segments of the shipping industry and the main economic participants. It also analyses the factors affecting supply and demand in the dry and wet bulk sectors of the industry, and how these forces interact to determine freight rate equilibrium both in the short and the long run, in the various shipping markets (i.e. the freight, the newbuilding, the sales and purchase and the demolition markets). The reader can learn about key shipping market concepts following the historical evolution of shipping cycles in response to core events that triggered changes in market dynamics over time.The second paper examines the long-run market efficiency hypothesis in the bulk shipping transportation markets, observing long-run equilibrium relationships between freight rates on different shipping routes and the dynamics of short-run deviations from the equilibria. The freight rate series on the different shipping routes examined are selected on the basis of a common economic driver, which may be a common port of import, export or a common commodity transported. The results of the analysis confirm the long-run market efficiency hypothesis, providing useful insights for the efficient organisation of supply-chain models. The third paper studies the effect that the relative market power between buyers and sellers of the shipping transportation service (that is, vessel charterers and owners, respectively) may have on the formation on individual voyage freight rates. Also, the paper highlights the asymmetry of the market power distribution between charterers and shipowners, which is essential to consider especially in cases of prospective mergers or acquisitions between chartering companies with high market shares, due the potential adverse consequences such mergers may have on the relevant freight markets. The fourth paper calibrates and examines the performance of various Value-at-Risk (VaR) and Expected Shortfall (ES) modelling specifications for the prediction of ETF risk in dry bulk shipping. The study focuses on ETFs priced against and investing in shipping freight derivatives in the dry bulk sector of the industry. The paper highlights the importance of the accurate estimation of the risk that investing in newly-introduced financial products (like the one under investigation) entails, products which provide access to the freight markets for both individual and institutional investors.