General Model of Linear Demand and Supply Functions
A foundational method for analyzing market behavior involves representing demand and supply with linear equations. The direct demand function is given by , and the direct supply function is . In this model, and are assumed to be positive constants. The conditions and ensure the standard downward slope of the demand curve and the upward slope of the supply curve, respectively. Furthermore, the condition that is also assumed. Together, these constraints guarantee the existence of a single market equilibrium with a positive price () and a positive quantity ().
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Introduction to Microeconomics Course
CORE Econ
Ch.8 Supply and demand: Markets with many buyers and sellers - The Economy 2.0 Microeconomics @ CORE Econ
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