<em>The correct answer is b. quotas. This is the a limit of quantity of a product coming into a country that a goverment imposes in order to protect domestic producers. However, quota causes an important profit lost because the goverment does not earn a tax revenue, so it is less frequently used than the tariffs. </em>
The simple reason why prices of a commodity go up and down is because if more people want to buy a particular stock (demand) than sell it (supply), then the price moves up.
The price of a commodity will go down if more people wanted to sell a stock than buy it, there would be greater supply than demand.
<h3>What is economics?</h3>
Economics can simply be defined as a social science which studies human behavior in relation ends and scarce means which have alternative uses
So therefore, the simple reason why prices of a commodity go up and down is if more people want to buy a particular stock (demand) than sell it (supply), then the price moves up.
Complete question:
What makes price go up and down?
Learn more about demand and supply:
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