The IPCC Fifth Assessment Report Concludes

question 75

Multiple Choice

The IPCC Fifth Assessment Report concludes

• A)that while climate change is occurring,it is largely natural climate fluctuations.
• B)humans are likely (95% certainty)responsible for the temperature increase from 1951 to 2010.
• C)it is highly doubtful that recent climate trends represent anything more than a temporary perturbation in the long-term climate signal.
• D)there is no consensus on recent climate trends; some maintain it is mostly human-caused,others maintain it is natural fluctuations.

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Definitions:

Product Markets

Markets where goods and services produced by businesses are sold to households.

Negative Externalities

These are costs that are suffered by a third party as a result of an economic transaction, which are not reflected in the market price.

Positive Externalities

Benefits that are enjoyed by a third-party or the society at large as a result of an economic transaction.

Optimal Output

The level of production at which a firm or economy can produce goods at the lowest average cost, maximizing efficiency.