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Elasticity Concepts Using Computation and Graphing

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With respect to the price elasticity of demand, construct a graph using the data in figure 1. Illustrate the ranges on the demand curve that indicate elastic, inelastic, and unitary elasticity. Explain your answers. Enter non-numerical responses in the same worksheet using tax boxes.
Quantity total elasticity elastic
Price demanded revenue coefficient inelastic
$4 100 ------------ xxxx xxxx
6 80 ------------- ---------- -------------
8 60 -------------- ----------- ----------------
10 40 -------------- ------------ -----------------
12 20 ----------- ------------- ---------------
14 1 ----------------- ------------ ---------------

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Solution Summary

This is an illustration of the elasticity concepts using spreadsheet given numerical data.

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See Also This Related BrainMass Solution

Flower shops and price elasticity

You just opened a flower shop and are trying to understand pricing issues. You were told that elasticities are very important in determining prices and what products to supply, so you decide to investigate this concept.

You call your friend, an economics professor, and ask, "What is the price elasticity of demand? What determines it? What is elastic and inelastic demand?"

To really understand it, compute the following price elasticities of demand:

a) The price of a laptop increases by 20% and there is a 40% drop in the quantity demanded.
b) The price of a pack of cigarettes increases by 10% and there is a 5% drop in the quantity demanded.
c) The price of water increases by 15% but there is no drop in the quantity demanded.
d) Of the above examples, which is more elastic, and which is the least elastic? Why? Answer the following questions:
- Why is elasticity an important concept for a business? What if national income went up? How would that
affect elasticity?
- What is the price elasticity of supply? What determines it?
- Compute the following price elasticities of supply:
- The price of a hotel room increases by 20%, and the quantity supplied increases by 10%.
- The price of health care goes up by 50% , and the quantity supplied increases by an equal amount.
- The price of a book increases by 10%, and the quantity supplied increases 20%.
- In the above examples, which is more elastic and which is the least elastic? Why?
- What kind of supply and demand elasticities would the following goods have, and why?
- Bridge tolls
- Beachfront properties
- Gourmet coffee
- Luxury automobiles
- Gasoline
- Cell phones
- Computers
- College tuition

Now that you are an expert on elasticities, what do you think would be the best time of year to raise prices, and why? What do you think the elasticities are in the flower business? Use graphs and hypothetical tables to support your answer.

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