label each of the following scenarios with the set of symbols that best indicates the price change and quantity change that occur in the scenario. in some scenarios it may not be possible from the information given to determine the direction of a particular price change or a particular quantity change. We will symbolize those cases as respectively p and Q . the four possible combinations of price and quantity changes are Lo3.5
Here are the following scenarios of Demand and Supply changes that affects price and quantity.
If Then
Demand Increases Price and Quantity increases
Demand Decreases Price and Quantity decreases
Supply Increases Price decreases and Quantity
increases
Supply Decreases Price increases and Quantity decreases
Increase in Demand & Decrease in Supply
Price
increases & Quantity is undetermined
Decrease in Demand & Increase in Supply
Price
decreases & Quantity is undetermined
Demand & Supply Increases Price is undetermined & Quantity
increases
Demand & Supply Decreases Price is undetermined
& Quantity decreases
1) demand for lemonade and the supply of
lemonade increase.
P? Q
Price is undetermined and quantity increases.
2) demand for ice cream and the supply of ice
cream decrease.
P? Q
Price is undetermined and quantity decreases
3) demand for sightseeing flights increases but
the supply of pilots willing to provide these dangerous flights
decreases.
P Q?
Price increases and quantity is undetermined
4) demand for the electricity falls but at the
same time, the amount of electricity supplied increases
P Q?
Price decreases and quantity is undetermined
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