Final answer:
The countries that sustain growth through innovation and high ownership of basic products are high-income countries. They maintain their economies through technological advancements and innovation.
Step-by-step explanation:
The question is asking about which income level of countries is associated with sustained growth through innovation and high levels of ownership of basic products. The answer to this question would be d) high-income countries. These countries focus on maintaining their economies predominantly through innovation and technology, as they strive for the advancement and ownership of products and services. Furthermore, according to the references provided, there is a pattern where lower-income countries have faster GDP growth rates, due to catching up through investment in human and physical capital, health, education, and market-oriented policies. However, it is the high-income countries that have the infrastructure, stability, and policies in place to sustain growth through innovation and technological advancements.