The free-rider problem is most likely to exist in a market in which goods are:
They are called parasitic consumers, is an individual who receives a benefit for using a good or service but avoids paying for it. That is, It is the person who creates the problem of the stowaway. They characterized because they do not reveal their preferences or how much they are willing to pay for a good or service, since they expect others to pay for them, this is also used in the stock market on the purchase of shares.
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