The document discusses the importance of national innovation ecosystems for sustainable development. It defines the old economy as driven by inputs like labor, capital and resources, while the new economy is knowledge-based and driven by innovation. A national innovation ecosystem consists of factors that deepen knowledge intensity like intellectual capital, interaction, incentives and institutions. It also discusses how countries can progress through different stages from imitation to innovation leadership. Developing strong national innovation ecosystems is important for countries to compete in the global new economy and achieve increasing returns through innovation.