Public Goods Justify Nationalization

Steps:

• Identify nationalization as government takeover of private industries for public benefit.
• Recognize railways as infrastructure with market failures like underprovision.
• Evaluate options for reasons aligning with economic principles of public ownership.
• Select the option treating railways as a public good, warranting state control.

Why D is correct:

• Public goods are non-excludable and non-rivalrous (per economic definition), leading to free-rider problems; governments nationalize to ensure provision, as private markets fail.

Why the others are wrong:

• A: High prices prompt regulation or subsidies, not full nationalization.
• B: Monopoly exploitation is addressed by antitrust laws or price caps, not ownership transfer.
• C: Essential infrastructure supports investment but doesn't necessitate public ownership over private operation.

Final answer: D