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Featured researches published by Hyosoo Park.


Maritime Policy & Management | 2016

Economic impact of cruise industry using regional input–output analysis: a case study of Incheon

Young-Tae Chang; Hyosoo Park; Shu-Min Liu; Younghoon Roh

Asian countries are witnessing a newly emerging cruise industry. This study presents a methodology for estimating various aspects of the cruise industry’s economic impact using regional input–output (I-O) analysis. The methodology is applied to a study of the Port of Incheon (POI) that highlights the effects on both the regional and national economies as well as the interaction between the two regarding production induction, employment, and value added. The effects are analyzed under both the current situation and a scenario that includes development of shopping centers and amenities in Incheon in the future. The overall economic impact of the cruise sector on Incheon is relatively small compared to the impact on well-established cruise markets. This is because POI functions as a port of call for cruise lines, instead of a base port or home port, and earns cruise-related revenue mostly from the expenditures of passengers and crews. Moreover, cruise ship visits to POI mostly benefit the Seoul economy in terms of added value and job creation. The development scenario provides much greater economic benefits to Incheon and therefore justifies future development by POI and the city government.


Tourism Management | 2017

Efficiency analysis of major cruise lines

Young-Tae Chang; Suhyung Lee; Hyosoo Park

Abstract Three major cruise lines account for 82% of the total market share. Their financial statements show different results between the operating incomes and net incomes over time. To examine the major causes of the differences, this study measured the efficiency of the top three cruise lines to develop a network DEA model to analyze the cruise operations at two stages, namely operating and non-operating stages. In addition, the determinants of the efficiencies were examined using a bootstrapped-truncated regression model. Overall, cruise lines were efficient at the operating stage, but varied widely in the efficiency of the non-operating stage. Cruise lines attempting high capacity expansion were relatively inefficient because of the heavy interest payments arising from the high debt-to-capital ratio. Moreover, the neglected hedging policy regarding the financial risks also contributed to the inefficiency.


Maritime Policy & Management | 2016

Cruise traveler satisfaction at a port of call

Young-Tae Chang; Shu-Min Liu; Hyosoo Park; Younghoon Roh

ABSTRACT No studies have been conducted on cruise traveler expectations for a port of call in Asia. Current literature on general tourism shows that the research to measure traveler satisfaction is divided into two dominant approaches, the disconfirmation model, based on the Expectancy Disconfirmation Paradigm, and the perceptions-only model. However, previous disconfirmation models used different sample populations to measure traveler expectations and perceptions, resulting in biased results. The main objectives of this research was two-fold: (1) to develop a measurement scale for evaluating the expectations of cruise travelers during their visit to a port of call; and, (2) to examine the satisfaction of cruise travelers using the same sample population of the pre-visit expectations and post-visit experiences. The measurement scale for cruise travelers was developed using exploratory factor analysis and confirmatory factor analysis. Three factors, “Overall convenience/People,” “Culture/Exploration,” and “Commodities/Attractions,” were extracted from the analysis. Among these factors, the “Culture/Exploration” factor explained the largest part of overall satisfaction. The results also showed that the perception-only model outperformed the disconfirmation model in explaining overall satisfaction. Additionally, overall satisfaction was found to have a greater impact on the intention to recommend the visit to others than on the intention to revisit.


Accident Analysis & Prevention | 2016

The impact of vessel speed reduction on port accidents.

Young-Tae Chang; Hyosoo Park

Reduced-speed zones (RSZs) have been designated across the world to control emissions from ships and prevent mammal strikes. While some studies have examined the effectiveness of speed reduction on emissions and mammal preservation, few have analyzed the effects of reduced ship speed on vessel safety. Those few studies have not yet measured the relationship between vessel speed and accidents by using real accident data. To fill this gap in the literature, this study estimates the impact of vessel speed reduction on vessel damages, casualties and frequency of vessel accidents. Accidents in RSZ ports were compared to non-RSZ ports by using U.S. Coast Guard data to capture the speed reduction effects. The results show that speed reduction influenced accident frequency as a result of two factors, the fuel price and the RSZ designation. Every


International Journal of Shipping and Transport Logistics | 2018

Top 50 authors, affiliations, and countries in maritime research

Young-Tae Chang; Kyoung Suk Choi; Ahhyun Jo; Hyosoo Park

10 increase in the fuel price led to a 10.3% decrease in the number of accidents, and the RSZ designation reduced vessel accidents by 47.9%. However, the results do not clarify the exact impact of speed reduction on accident casualty.


Transportation Research Part D-transport and Environment | 2014

Evaluating economic and environmental efficiency of global airlines: A SBM-DEA approach

Young-Tae Chang; Hyosoo Park; Jae-beom Jeong; Jin-woo Lee

This paper examines the top 50 authors, affiliations, and countries in the maritime transportation field. The analysis covers articles published in 65 journals in maritime and transportation. Three indicators are used for ranking: number of papers, the weighted score that reflects the contribution of the authors, and the impact score which considers the impact factor. Temporal changes of ranking are examined in five-year intervals. The potential correlation between methodological popularity and author performance is also discussed.


Transportation Research Part D-transport and Environment | 2014

Assessing noxious gases of vessel operations in a potential Emission Control Area

Young-Tae Chang; Younghoon Roh; Hyosoo Park


Transportation Research Part E-logistics and Transportation Review | 2016

Passenger facility charge vs. airport improvement program funds: A dynamic network DEA analysis for U.S. airport financing

Young-Tae Chang; Hyosoo Park; Bo Zou; Nabin Kafle


Transportation Research Part D-transport and Environment | 2018

Have Emission Control Areas (ECAs) harmed port efficiency in Europe

Young-Tae Chang; Hyosoo Park; Suhyung Lee; Eunsoo Kim


Sustainability | 2017

Evaluating Resiliency of Supply Chain Network: A Data Envelopment Analysis Approach

Pourya Pourhejazy; Oh Kyoung Kwon; Young-Tae Chang; Hyosoo Park

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Bo Zou

University of Illinois at Chicago

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Nabin Kafle

University of Illinois at Chicago

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Eunsoo Kim

Shanghai Maritime University

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