Please help me with the following:

1. Which of the following scenarios best exemplifies a non-excludable and non-rivalrous good?

An uncongested river in a state where people can fish

A wireless internet service with password protection

A tornado warning siren

An online newspaper requiring a subscription

A pair of shoes made by a popular name brand

2.The research report of a scientist is only accessible through the purchase of a journal, a magazine for professional academic topics. What type of good best describes this report?

Public good

Private good

Survival good

Artificially scarce good

Common pool resource

3.What is the most common government method(s) to prevent the tragedy of the commons?

Quotas or other production or consumption regulations

A per-unit tax

Per-unit subsidies or direct provision

A price floor

A lump-sum tax

4.

Price ($) S 3.5 3 2 360 540 Quantity What is the value of the deadweight loss in this market? $90 $180 $360 $540 $720