In the production of clean energy an improvemnent in technology will produce less clean energy at a higher cost.
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Purchase of green goods provides a public good and is voluntary.
A. 对
B. 错
Purchase of green goods provides a public good and is required.
A. 对
B. 错
The amount of green goods is a public good and will be limited by free riding.
A. 对
B. 错
The amount of green goods is a private good and will not be limited by free riding.
A. 对
B. 错