The first five-year economic development plan produced diverse and positive effects during the plan period: (i) Intensive efforts for economic development provided for the successful implementation of the plan under strong government leadership, and new system was successfully introduced during the plan; (ii) Government officials and the Korean people began to recognize the positive aspects of economic development; (iii) Government officials accumulated professional knowledge and experience in planning and policymaking; (v) government officials learned the importance of data collection/ processing and other information; (v) The plan laid the groundwork for better formulation of planning in the future.