Multiplier Effects of Ferry Transportation Development on Indonesia’s Medium-Term Economy by Using Input–Output Approach: A Case Study of Samosir Island

Edward Marpaung (), Shirly Wunas, Muhammad Yamin Jinca () and Langas Denny Siahaan
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Edward Marpaung: Graduate School, Hasanuddin University, Makassar 90245, Indonesia
Shirly Wunas: Department of Urban and Regional Planning, Faculty of Engineering, Hasanuddin University, Makassar 90245, Indonesia
Muhammad Yamin Jinca: Department of Urban and Regional Planning, Faculty of Engineering, Hasanuddin University, Makassar 90245, Indonesia
Langas Denny Siahaan: Trisakti Institute of Transportation and Logistics, Jakarta 13410, Indonesia

Economies, 2025, vol. 13, issue 6, 1-18

Abstract: This research investigates the multiplier effect of ferry transportation development on the medium-term economy of Samosir Island from 2016 to 2022. The study will provide insights into the implications of ferry transportation for the economies of rural or remote regions like Samosir Island. The analysis was conducted by comparing the multiplier effects before and after the development, utilizing the input–output approach, which encompassed the output multiplier, the multiplier on gross value added (GVA), and the household income multiplier. The findings from the input–output analysis indicate that the average output multiplier for 37 industries on Samosir Island has declined by 0.84% annually, with the average output multiplier recorded at 1.80 in 2016, decreasing to 1.71 by 2022. This suggests that, overall, the advancement of ferry transportation in the medium term is comparatively ineffective in promoting economic growth in rural or remote regions such as Samosir Island. Conversely, the average GVA multiplier rose by 1.04% annually. Similarly, the household income multiplier index experienced an increase of 1.91% each year. This indicates that ferry transportation seems to exert a notable influence on both GVA and the household income multiplier, albeit the effect is comparatively modest.

Keywords: ferry transportation; multiplier; economy; input–output (search for similar items in EconPapers)
JEL-codes: E F I J O Q (search for similar items in EconPapers)
Date: 2025
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