Part I Attitude toward Risk and Time -- 1 Risk and Time Preferences: Linking Experimental and Household Survey Data from Vietnam (Tanaka, Camerer, Nguyen) -- 2 Simultaneous Measurement of Time and Risk Preferences: Stated Preference Discrete Choice Modeling Analysis Depending on Smoking Behavior (Ida, Goto) -- 3 Time discounting: Declining impatience and interval effect (Kinari, Ohtake, Tsutsui) -- 4 Non-parametric Test of Time Consistency: Present Bias and Future Bias (Takeuchi, Kan) -- 5 Loss of self-control in intertemporal choice may be attributable to logarithmic time-perception (Takahashi) -- 6 Experiments on Risk Attitude : the Case of Chinese Students (Sasaki, Xie, Ohtake, Qin, Tsutsui).-Part II Addiction -- 7 Interdependency among Addictive Behaviors and Time/Risk Preferences: Discrete Choice Model Analysis of Smoking, Drinking, and Gambling (Ida, Goto) -- 8 Discounting delayed and probabilistic monetary gains and losses by smokers of cigarettes (Ohmura, Takahashi, Kitamura) -- 9 Time discounting and smoking behavior: Evidence from a panel survey (Kang, Ikeda) -- 10 Smokers, smoking deprivation, and time discounting (Yamane, Yoneda, Takahashi, Kamijo, Komori, Hiruma, Tsutsui) -- 11 The effects of the social norm on cigarette consumption: Evidence from Japan using panel data (Yamamura).-Part III Health -- 12 Hyperbolic discounting, the sign effect, and the body mass index (Ikeda, Kang, Ohtake) -- 13 Economic and Behavioral Factors in an Individual's Decision to Take the Influenza Vaccination in Japan (Tsutsui, Benzion, Shahrabani) -- Part IV Social Preferences -- 14 Another Avenue for Anatomy of Income Comparisons: Evidence from Hypothetical Choice Experiments (Yamada, Sato) -- 15 Social capital, household income, and preferences for income redistribution (Yamamura) -- Part V Happiness and Well-being -- 16 Koizumi Carried the Day: Did the Japanese Election Results Make People Happy and Unhappy? (Tsutsui, Kimball, Ohtake) -- 17 Asking about changes in happiness in a daily web survey and its implication for the Easterlin paradox (Tsutsui, Ohtake) -- 18 Welfare States and the Redistribution of Happiness (Ono, Lee).-Part VI Decisions -- 19 Revealed Attention (Yusufcan, Nakajima, Ozbay) -- 20 Subjective random discounting and intertemporal choice (Higashi, Hyogo, Takeoka) -- 21 A geometric approach to temptation (Abe) -- Part VII Biological Foundation -- 22 Prediction of immediate and future rewards differently recruits cortico-basal ganglia loops (Tanaka, Doya, Okada, Ueda, Okamoto, Yamawaki) -- 23 Second to fourth digit ratio and the sporting success of sumo wrestlers (Tamiya, Lee, Ohtake).-Part IIX Investor Behavior -- 24 Investors' Herding on the Tokyo Stock Exchange (Iihara, Kato, Tokunaga) -- 25 The characteristics of online investors (Uchida).-26 Can margin traders predict future stock returns in Japan? (Hirose, Kato, Bremer).