This new approach introduced an unprecedented transparency into management operations together with a concomitant precise pinpointing of managers' responsibilities, and so was widely resisted throughout the entire public sector. However, in the eighties, the UN Inspectorate General picked up the idea and recommended that the United Nations use it to improve its performance. A few institutions tried half-heartedly but only the International Atomic Energy Agency (IAEA) went about it seriously and introduced a complete program budgeting system that is still in place today.