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CA Foundation · Business Economics · Public Finance

Which of the following is a private good in the economic sense?

A packet of rice bought from a shop is a private good because it is both excludable and rival. The seller can deny it to non-payers, and one person's consumption leaves none for others. Street lights, defence and flood embankments are public goods.

  1. AStreet lighting on a public road
  2. BA packet of rice bought from a shopCorrect
  3. CNational defence
  4. DFlood-control embankment protecting a whole town

Explanation

A packet of rice is excludable, since the seller can refuse those who do not pay, and rival, since once eaten it cannot be consumed by others. Street lighting, defence and flood control are non-excludable and non-rival, so they are public goods.

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