State ownership reveals economic system type

Steps:

• Note the contrast: UK and US stock exchanges feature mostly private shares, while China and Russia have significant state-owned enterprises.
• Recognize that state ownership implies government intervention in the economy.
• Classify economic systems: Market economies (UK, US) emphasize private ownership; those with heavy state shares (China, Russia) indicate mixed or command systems.
• Conclude the information judges the type of economic system.

Why D is correct:

• Economic systems are defined by ownership and control of resources; significant state shares align with mixed/command systems per standard classifications like those in economics textbooks.

Why the others are wrong:

• A: State ownership on exchanges does not directly inform income or wealth distribution patterns.
• B: Ownership structure alone does not measure development level, which involves GDP, HDI, or infrastructure.
• C: Stages of production refer to primary, secondary, or tertiary sectors, unrelated to share ownership.

Final answer: D