Market for smartphone data plans 120 110 100 S 90 Price Floor 80 70 60 Market Price 50 40 30 20 Price Ceiling 10 D 20 100 140 120 60 180 220 Quantity Price 20

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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Question

According to the graph above, what is the quantity supplied and quantity demanded at $50

### Market for Smartphone Data Plans: Understanding Supply and Demand

This graph illustrates the market dynamics for smartphone data plans, showcasing the relationship between price and quantity.

**Axes:**
- The vertical axis represents the **Price** of data plans, ranging from 0 to 120.
- The horizontal axis shows the **Quantity** of data plans demanded and supplied, ranging from 0 to 220.

**Curves:**
- The curve labeled **S** represents the **Supply** of data plans. It is upward-sloping, indicating that as the price increases, the quantity supplied also increases.
- The curve labeled **D** represents the **Demand** for data plans. It is downward-sloping, indicating that as the price decreases, the quantity demanded increases.

**Key Points:**
- The intersection of the supply and demand curves is marked as the **Market Price**, where the quantity supplied equals the quantity demanded.
- A **Price Floor** is indicated above the market price line, which is a minimum price set above the equilibrium, potentially leading to excess supply.
- A **Price Ceiling** is shown below the market price, which is a maximum price set below the equilibrium, potentially causing a shortage.

Understanding these fundamental economic concepts helps you grasp how price controls, such as floors and ceilings, can disrupt the natural balance of supply and demand, leading to surpluses or shortages in the market.
Transcribed Image Text:### Market for Smartphone Data Plans: Understanding Supply and Demand This graph illustrates the market dynamics for smartphone data plans, showcasing the relationship between price and quantity. **Axes:** - The vertical axis represents the **Price** of data plans, ranging from 0 to 120. - The horizontal axis shows the **Quantity** of data plans demanded and supplied, ranging from 0 to 220. **Curves:** - The curve labeled **S** represents the **Supply** of data plans. It is upward-sloping, indicating that as the price increases, the quantity supplied also increases. - The curve labeled **D** represents the **Demand** for data plans. It is downward-sloping, indicating that as the price decreases, the quantity demanded increases. **Key Points:** - The intersection of the supply and demand curves is marked as the **Market Price**, where the quantity supplied equals the quantity demanded. - A **Price Floor** is indicated above the market price line, which is a minimum price set above the equilibrium, potentially leading to excess supply. - A **Price Ceiling** is shown below the market price, which is a maximum price set below the equilibrium, potentially causing a shortage. Understanding these fundamental economic concepts helps you grasp how price controls, such as floors and ceilings, can disrupt the natural balance of supply and demand, leading to surpluses or shortages in the market.
**Question:**

According to the graph above, what is the quantity supplied and quantity demanded at $50?

- ○ QS = 100 and QD = 100
- ○ QS = 120 and QD = 120
- ○ QS = 100 and QD = 120
- ○ QS = 120 and QD = 100

*Note:* The graph illustrates the relationship between price and quantity for supply and demand. At a price of $50, the specific quantities supplied (QS) and demanded (QD) are analyzed to determine equilibrium or disparity in the market.
Transcribed Image Text:**Question:** According to the graph above, what is the quantity supplied and quantity demanded at $50? - ○ QS = 100 and QD = 100 - ○ QS = 120 and QD = 120 - ○ QS = 100 and QD = 120 - ○ QS = 120 and QD = 100 *Note:* The graph illustrates the relationship between price and quantity for supply and demand. At a price of $50, the specific quantities supplied (QS) and demanded (QD) are analyzed to determine equilibrium or disparity in the market.
Expert Solution
Step 1

At equilibrium point demand is equal to supply (demand and supply curve intersect with each other). Therefore the equilibrium price is 50 $ and there is no excess supply or shortage in the free market. Demand is equal to supply

 

 

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