In a recent article in the Wall Street Journal, Jeffrey Ball wrote, "Another example is the market for 'carbon credits.' These chits are bought by companies, mainly in Europe and Japan that face government requirements to curb their environmental impact. The credits are said to fund pollution-cutting projects in developing countries, supposedly helping the planet at a lower cost than if the work were done in the developed world. But several studies suggest that companies in industrialized countries may be paying for pollution cuts that would have happened even without their cash, which would mean some of their money is going to waste." In class, we referred to this issue as: Question 19Select one: a. Additionality. b. Slippage. c. Leakage. d. Sequestration