Environmental Framing Hypothesis (H6) depends on subjects' environmental policy attitudes, and other hypotheses depend on knowledge and preferences toward environmental regulations Neutral framing is much more common in experimental economics – Recommended by Alm (1999), for example, since it obscures the experiment's context and purpose—thereby increasing experimental control – Subjects could have very different attitudes towards the role of environmental regulation and emissions trading We introduced non-neutral framing deliberately to activate these concerns
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