The success of an economic plan depends on the quality and detail of information received, the establishment of realistic targets, coordination among sectors, and correct implementation. High initial growth during the Three-Year Plan and, to a lesser extent, during the Five-Year Plan contributed to a false sense of confidence among the planners. Statistical over reporting—an inherent tendency in an economy where rewards lie in fulfilling the quantitative targets, particularly when the plan target year approaches—leads to overestimation of economic potential, poor product quality, and eventually to plan errors. Inefficient use of plants, equipment, and raw materials add to planning errors. Lack of coordination in planning and production competition among sectors and regions cause imbalances and disrupt input-output relationships. The planning reforms in 1964 were supposed to solve these problems, but the need for correct and detailed planning and strict implementation of plans was so great that their importance was emphasized in the report unveiling the Second Seven-Year Plan, indicating that planning problems persisted in the 1980s.