"Happiness in Contemporary Japan: Study of Lifestyle and Values Using the Relative Income Hypothesis,” Ming-Chang Tsai and Noriko Iwai, eds., Quality of Life in Japan: Contemporary Perspectives on Happiness.
Springer Nature Singapore, Pte Ltd., 2019 in Web; 2020 in Hard Copy 2019
"Public Choice," in Gianpietro Mazzoleni, editor-in chief, The International Encyclopedia of Political Communication.
John Wiley & Sons 2016
“Happiness and Relative Income Hypothesis in East Asian Countries: An Effect of Informal Sectors’ Jobs”
(The 18th International Society for Quality-Of-Life Studies (ISQOLS) Annual Conference 2020)
“Happiness and Relative Income Hypothesis in East Asia Countries: A Study of Relation between National Character and Policy Effect”
(The 57th Annual Conference of Public Choice Society 2020)
“Happiness and Relative Income Hypothesis in East Asian Countries (Japan, South Korea and Taiwan): Study of Lifestyle and Values”
(The 12th Australasian Public Choice Conference (APCC) 2019)