SPONSORED BY THE OFFICE OF ECONOMIC OPPORTUNITY BETWEEN 1967 AND 1972, THE EXPERIMENT CENTERED ON A GRADUATED WORK-INCENTIVE PROGRAM DEALING WITH A NEGATIVE INCOME TAX. THE MAJOR CONCERN OF THE PROJECT WAS TO DETERMINE TO WHAT EXTENT A NEGATIVE INCOME TAX TENDS TO DIMINISH THE WORK EFFORT OF PROGRAM BENEFICIARIES. THIS THIRD AND LAST VOLUME OF A SERIES CONTAINS A SELECTION OF ANALYTICAL PAPERS, BASED ON THE DATA COLLECTED IN THE COURSE OF THE EXPERIMENT, DEALING WITH THE FOLLOWING BEHAVIORAL CONCERNS: EXPENDITURE PATTERNS, HOUSING CONSUMPTION, THE DETERMINANTS OF HOME BUYING, PERSONAL CONSUMPTION BEHAVIOR, APPROACHES TO HEALTH CARE UTILIZATION, SOCIAL PSYCHOLOGICAL EFFECTS, FERTILITY BEHAVIOR, HOUSEHOLD CONSUMPTION, SOCIAL INTEGRATION, LEISURE ACTIVITY, MEDIA EXPOSURE, AND LIFESTYLE ENHANCEMENT. THE VALIDITY AND GENERALIZABILITY OF THE EVIDENCE ARE DISCUSSED IN TERMS OF THE FOLLOWING FACTORS: THE EFFECTS OF WELFARE PROGRAMS ON EXPERIMENTAL RESPONSES; THE EFFECTS OF WELFARE BIAS ON FAMILY EARNINGS RESPONSE; THE RELATIONSHIP OF FEMALE LABOR-SUPPLY CHARACTERISTICS OF THE EXPERIMENTAL SAMPLE TO THOSE OF OTHER SAMPLES; THE ANALYSIS OF WAGE-RATE DIFFERENTIALS; DIFFERENCES AMONG THE SOURCES OF INCOME DATA; PREDICTING THE EFFECTS OF PERMANENT PROGRAMS FROM A LIMITED DURATION EXPERIMENT; THE CHARACTERISTICS OF THE ATTRITER WHO TOOK THE ATTRITION INTERVIEW; SAMPLE DESIGN AND THE USE OF EXPERIMENTAL DATA AND SITE SELECTION; REPRESENTATIVENESS OF THE SAMPLE; AND POSSIBLE ATTRITION BIAS. A SUBJECT INDEX AND TABULAR AND GRAPHIC DATA ARE PROVIDED. REFERENCES FOLLOW EACH PAPER. SEE ALSO NCJ 51488-51489. (KBL)