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A policy, implemented some time ago, can exist already.
The zero-alternative means that the business will be as usual; there will
be no change in policy. |
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A scenario describes uncertain developments outside the
scope of the policy makers. Examples: the amount of sea level rise, macro
economic development and international relations (war). |
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Correct
It is of no use to describe and evaluate alternatives which have no chance
to survive in the decision making process. You should try to describe
only realistic alternatives. |