Answer:
Enforce an effective patent system
Explanation:
Patent is defined as the government authority that bestows the full right and title of ownership to an investor in order to keep others away from making and selling such invention for a defined period of time.
The enforcement of effective patent system serves as incentives for optimal level of research and development as researchers feel recognized for their efforts and will be willing to do more as they know that inventions are now protected from duplication by others . Moreover , returns in investment are now guaranteed.