What is a public good?
1). A public good is a product or service that one consumer can prevent another consumer from using and is accessible without payment.
2). A public good is a product or service that one consume cannot prevent and there consumer from using, and is accessible without payment.
3). A public good is a product or service that one consumer can prevent another consumer from using, and is not accessible without payment.
4). A public good is a product or service that one consumer cannot prevent another consumer from using, and is not accessible without payment.