... 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 ... notions of, 179–81Kreisau Circle, 3 language, 21large economic units, 20–1life cycle and aspiration, 132 and consumption standards, 129, 130 , 132 3, 237 n. 77 and earning and spending, 129and...