Final answer:
Hartwick's Rule of re-investment is an economic principle related to natural resource management and sustainability. It suggests that the revenue earned from depleting non-renewable resources should be reinvested in other productive assets to ensure long-term economic growth.
Step-by-step explanation:
Hartwick's Rule of re-investment, states that the net revenue earned from the depletion of non-renewable natural resources should be reinvested in other productive assets to ensure sustainable development and long-term economic growth.
For example, if a country or company earns profits from mining or extracting oil, according to Hartwick's Rule, they should invest those profits in renewable energy sources or other productive investments. This approach can help offset the depletion of non-renewable resources and promote economic stability and sustainability.