Ayushman Bhatt Keywords High Speed Rail Regional Innovation quasi experimental methods Read more about Ayushman Bhatt Ayushman Bhatt joined the Asian Development Bank Institute (ADBI) as a Capacity Building and Training Associate in May 2020. His research interests include infrastructure development and management, transport economics, transport policy, high-speed railway, applied econometrics, and experimental approaches in infrastructure policy. He is a Ph.D. candidate in civil engineering at the University of Tokyo.