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The model (demand and supply
analyzing one product at a time (one market at a time)
supply definition
a schedule or curve showing the amounts of a product that producers are willing and able to make available for sale.
is law of demand an inverse or positive relationship
inverse
is law of supply an inverse or positive relationship
positive
price ceiling
set the maximum legal price a seller may charge for a product or service
price floor
a minimum price fixed by the government