The idea of sharing future tax revenues with private investors is being promoted by the Asian Development Bank Institute—the ADBI—in Tokyo to help finance the region’s huge demand for infrastructure. But Naoyuki Yoshino, the dean of the institute, warns that future revenues need to be sustained for such financing to succeed in the longer term.Japanese private railway companies played a major role in expanding the country’s transport sector in the 20th century. These companies were much more profitable than Japan National Railways, the public railway operator that was split up into seven private companies three decades ago after incurring massive public debt.Read the transcripthttp://bit.ly/2yV3gCAAbout ADBI dean, Naoyuki Yoshinohttps://www.adb.org/adbi/about/deanWatch an ADBI video about spillover effectshttp://bit.ly/2eZaTQMKnow more about ADBI’s work on spillover effectshttp://bit.ly/2vVF81w