Japan's natural gas industry is reliant on imported liquefied natural gas (LNG) that normally requires regasification prior to consumption. Unbundling of the industry has not been enforced and while some local distribution utilities purchase gas via pipelines that is regasified by the seller,...

This study aims to examine the impact of unbundling regulation (vertical separation) on incentives for pipeline investment. Recently, the Japanese government has decided to institute vertical separation of natural gas companies. Major existing natural gas companies, called incumbents, will be...