Multiple Choice QuestionPostponing resource extraction for the future will not be profitable withoutMultiple choice question.property rights.public goods.conservation.extraction costs.externalities.

The correct answer is "property rights."

Here's why:

1. Property rights: Without property rights, there is no guarantee that the resources you are saving for the future will still be yours when you decide to extract them. This is known as the tragedy of the commons, where individuals have an incentive to extract resources as quickly as possible to prevent others from getting them first.

2. Public goods: These are goods that are non-excludable and non-rivalrous, meaning they are available to all and one person's use does not diminish another's. This doesn't directly relate to the profitability of postponing resource extraction.

3. Conservation: While conservation can ensure resources are available for future use, it doesn't necessarily make it profitable to postpone extraction. Profitability depends on factors like market demand and extraction costs.

4. Extraction costs: These are the costs associated with extracting resources. While lower extraction costs can make it more profitable to extract resources, they don't necessarily make it profitable to postpone extraction.

5. Externalities: These are the indirect costs or benefits of an activity. While externalities can affect the profitability of resource extraction, they don't necessarily make it profitable to postpone extraction.