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Difficulty: Very hardCause and Effect Reasoning

Consider the following three statements regarding urban energy governance and market trends:

Statement I: A regional municipal government enacted a mandatory grid-tied rooftop solar policy with net-metering incentives for commercial infrastructure.
Statement II: The peak electricity demand on the state's central power grid experienced an 18% reduction during midday hours over the following summer quarter.
Statement III: Global photovoltaic cell manufacturing costs fell significantly due to scale economies in international supply chains.

Which of the following evaluations regarding the cause-and-effect relationships among these statements are logically valid?

  1. Statement I functions as a direct cause contributing to the operational effect described in Statement II.Answer
  2. B
    Statement III is a direct downstream effect caused primarily by the local policy implementation outlined in Statement I.
  3. Statement III acts as an independent enabling factor for Statement I, while remaining causally independent of Statement II.Answer
  4. D
    Statement II serves as the primary cause that logically triggered the international manufacturing developments mentioned in Statement III.

Answer

The valid evaluations are that Statement I directly causes the effect in Statement II, and Statement III represents an external facilitating condition independent of Statement II.
The option stating that Statement I directly causes Statement II is correct because daytime solar generation directly offsets central grid energy draw. The option stating that Statement III is an independent enabling factor is also correct because global price drops make municipal policy economically viable without being caused by regional demand changes.

Step-by-Step Solution

1
Analyze the causal link between Statement I and Statement II
Statement I describes localized solar adoption during daylight hours, which directly explains the midday reduction in central grid load seen in Statement II.
Establishing temporal sequence and physical mechanism proves direct causation.
2
Analyze the relationship between Statement I and Statement III
Statement III describes global market trends that enable local adoption (Statement I), but local policy does not cause global manufacturing scale.
Differentiating between external enabling conditions and direct effects prevents scale attribution errors.
3
Evaluate independence between Statement II and Statement III
Local grid demand variations in Statement II do not influence global manufacturing shifts in Statement III.
Isolated regional demand fluctuations cannot reasonably be claimed as the cause of global macroeconomic supply shifts.

Key Concept

Disambiguating direct local causes, external enabling factors, and macroeconomic independence in multi-statement causal chains.
Estimated Time:2m 0s
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Topics

Cause and Effect Reasoning

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