Graphical Analysis of a 30% Sales Tax on the Salt Market (Figure 8.23)
This diagram analyzes the impact of a 30% sales tax on the salt market, using a graph where the horizontal axis represents quantity and the vertical axis represents price. The market initially features a downward-sloping demand curve and an upward-sloping 'Market supply' curve, which intersect at the equilibrium point A (q-star, p-star). With the tax, a new 'Market supply with tax' curve is introduced, which is located above the original supply curve and is also steeper. This new supply curve intersects the demand curve at a new equilibrium, point B (q1, p1). This results in a lower equilibrium quantity (q1 is less than q-star) and a higher equilibrium price (p1 is greater than p-star). The per-unit tax revenue is the vertical distance at quantity q1 between the consumer price (p1) and the supplier price (p0), with p0 being the price on the original supply curve at that 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
The Economy 2.0 Microeconomics @ CORE Econ
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Graphical Analysis of a 30% Sales Tax on the Salt Market (Figure 8.23)
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