To increase a nation's growth rate, a policy that could be implemented is:
A. Increasing incentives to purchase new computers for businesses.
This policy can boost economic growth by enhancing productivity and efficiency in businesses. When companies invest in new computers, it can lead to streamlined processes, faster operations, and improved output. As a result, businesses become more competitive in the market, which can stimulate economic growth and create job opportunities. Additionally, advancements in technology can drive innovation and attract investments, further contributing to the overall growth of the nation's economy.