Any improvement in knowledge that increases the quantity and range of output that an economy produces is referred to as _____ change.

The term you are looking for is "technological change."

Technological change refers to advancements or improvements in knowledge and technology that enhance the production process. This can involve the development of new machines, software, processes, and practices that enable an economy to produce more goods and services, or to produce them more efficiently. As technology improves, businesses can increase their output either by increasing efficiency with the same input or by utilizing new inputs altogether.

These advancements can lead to shifts in production possibilities and can have significant impacts on economic growth. For instance, innovations in automation and AI can drastically improve productivity levels across various sectors, leading to economic expansion and increased standards of living. Furthermore, technological changes can also result from research and development (R&D) and are crucial in fostering competitive advantage in the global market.