DESCRIBED IS THE DEVELOPMENT OF ECONOMICS CURRICULAR MATERIALS FOR THE SECONDARY SCHOOLS. THE MATERIALS CONSIST OF 18 UNITS INTENDED FOR USE DURING ONE SEMESTER. A REPEATED PATTERN IN EACH UNIT IS (1) A TEACHER'S GUIDE TO THE CONCEPT AND THE PROBLEMS OF PRESENTING THE CONCEPT, AND (2) VARIOUS STUDENT MATERIALS. THE BALANCE OF THE MATERIAL CONSISTS OF A DISCIPLINED, SEQUENTIAL PRESENTATION DESIGNED FOR TEACHER ORIENTATION AND STUDENT DISCOVERY. DESIGNED FOR NINTH GRADE STUDENTS, THE MATERIALS CAN ALSO BE USED IN GRADES 10-12. THE REPORT INCLUDES (1) A COURSE RATIONALE, (2) A COURSE EVALUATION, AND (3) A DISCUSSION OF THE RELEVANCE OF THE PROJECT TO THE SOCIAL STUDIES CURRICULUM. ITEMS APPENDED INCLUDE (1) EDUCATIONAL OBJECTIVES BY UNIT, (2) MULTIPLE CHOICE TESTS AND WRITTEN EXERCISES WITH EVALUATION DATA FROM THE PROJECT, AND (3) AN INSTRUMENT FOR MEASURING THE DEGREE OF TEACHER ADHERENCE TO THE DISCIPLINE APPROACH. (DS)