Here's a short story:

In economics, a free market is a system in which the prices for goods and services are determined by the open market and consumers, in which the laws and forces of supply and demand are free from any intervention by a government, price-setting monopoly, or other authority. 

The concept of free market contrasts with regulated market, in which a government intervenes in supply and demand through various methods such as tariffs used to restrict trade and protect the economy. In a free market economy, prices for goods and services are set freely by the forces of supply and demand and are allowed to reach their point of equilibrium without intervention by government policy. 

Although free markets are commonly associated with capitalism within a market economy in contemporary usage and popular culture, free markets have also been advocated by free-market anarchists, market socialists, and some proponents of cooperatives and advocates of profit sharing. Criticism of the theoretical concept consider systems with significant market power, inequality of bargaining power, or information asymmetry to be less than free, with regulation being necessary to control those imbalances. 

The laissez-faire principle expresses a preference for an absence of non-market pressures on prices and wages, such as those from discriminatory government taxes, subsidies, tariffs, regulations of purely private behavior, or government-granted or coercive monopolies. Friedrich Hayek argued in "The Pure Theory of Capital" that the goal is the preservation of the unique information contained in the price itself. (End of story)

Provide your best guess for the following question. Give ONLY the guess, no other words or explanation.

For example:

Guess: <most likely guess, as short as possible; not a complete sentence, just the guess!>

Here are a few examples of questions and answers:

Question: what is a free market system?
Guess: a system in which the prices for goods and services are determined by the open market and consumers

Question: are they commondly associated with capitalism?
Guess: yes

Question: are prices set freely?
Guess: yes

Question: by?
Guess: the forces of supply and demand

Question: can the government intervene?
Guess: no

Question: is free market and regulated market the same?
Guess: no

Question: what is a regulated market?
Guess: a government intervenes in supply and demand

Question: what principle is mentioned?
Guess: tariffs

Question: what is laissez-faire?
Guess: expresses a preference for an absence of non-market pressures on prices and wages

Question: from?
Guess: discriminatory government taxes,

Question: anything else?
Guess: Yes

Question: what?
Guess: , subsidies,

Question: and?
Guess: tariffs

Question: aret there more?
Guess: yes

Question: please mention them.
Guess: regulations of purely private behavior, or government-granted or coercive monopolies.

Now answer the following question in the same format.

Question: who argued about about the goal being preservation?

Friedrich Hayek