Public Goods in Economics

Steps:

• Define public good: non-excludable (cannot prevent use) and non-rivalrous (one person's use doesn't reduce others').
• Evaluate flowers in park: typically non-rivalrous but excludability depends on access control.
• Check options: A misstates ownership; B ignores rivalry/excludability; C addresses excludability via visitor limits; D confuses with heterogeneity.
• Select C as it correctly identifies condition making it not a public good.

Why C is correct:

• Public goods require non-excludability; limiting visitors makes flowers excludable, violating the definition.

Why the others are wrong:

• A: Ownership by locals doesn't define public goods; they are collectively provided, not privately owned.
• B: Free enjoyment covers non-excludability but ignores non-rivalry, incomplete for public good status.
• D: Individual variation is irrelevant; public goods can differ but must meet excludability/rivalry criteria.

Final answer: C