This document discusses different concepts of productivity including technical, social, economic, management, and integrated concepts. It defines productivity as the ratio of output to input from a technical perspective, but notes problems with only considering this definition. The social concept views productivity as continually improving quality of life. Economically, productivity refers to creating more value for customers. From a management perspective, productivity is achieving efficiency and effectiveness. Overall, an integrated concept aims to improve quality of life through technical means, with a long-term strategy of productivity-driven economic growth. Approaches to improving productivity discussed include reducing waste, improving flow, eliminating bottlenecks, and implementing the "5M+Q+S" approach.