"Hideaki Endo,Mika Goto","Cost Inefficiency of Japanese Railway Companies and Impacts of COVID-19 Pandemic and Digital Transformation",,"Economies",,"Vol. 12",,"  196",2024,July
"Hideaki Endo,Mika Goto","The impact of the Covid-19 pandemic on the management of private railway companies in Japan: Profitability and business model analyses",,"Transport Policy",,"Vol. 147",,"pp. 32-49",2023,Sept.