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Classical theory “Lotka's Law” has been proven in many fields that the number of persons who contribute n outputs is about 1/nα of those who contribute one output, where the exponent α is a parameter about 2 to 3 in the most cases reported previously. Our analysis on patent productivity of inventors in Japan shows different characteristics from the results of previous studies on US and European firms...
After 30 years of reform and opening up, China's economy deepens the degree of market and competition becomes a major environmental of enterprise survival and development, competitiveness becomes the foundation and premises enterprise survival and development. Especially after joining WTO, the strength of our industry and the domestic industry in the competition, also faces a strong challenge to domestic...
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