... 96–8 psychology and economic behaviour research, 35 –9 and macroeconomics, 211–28 and problems of motivation, 35 –6 Psychology of Adjustment, The, 33 psychology of saving, 99–102 and age, 100 and ... forresearch, 134 –5definition of, 124 and education, 128 and expectations regarding the general economic trend, 133 and household size, 130 and income, 125, 130 –1 and life cycle, 129, 130 , 132 3 and occupational ... status of respondents, 101survey questions, 99–100 psychology of taxation, 157–210early studies, 1 93 public finance roots of, 158–9 and Schmölders, Günter, 6– 13 public finance theory, 184public...