日本物流学会
, アジア交通学会
, World Conference on Transport Research Society
, JAPANESE ECONOMIC ASSOCIATION
, JAPAN SOCIETY OF LOGISTICS AND SHIPPING ECONOMICS
, JAPAN ECONOMIC POLICY ASSOCIATION
, THE JAPAN INSTITUTE OF PUBLIC FINANCE
, JAPAN SOCIETY OF RESEARCH AND INFORMATION ON PABLIC AND CO-OPERATIVE ECONOMY
, THE JAPAN SOCIETY OF PUBLIC UTILITY ECONOMICS
, THE JAPAN SOCIETY OF TRANSPORTATION ECONOMICS
, The International Association of Maritime Economists