Question
DUEDATE: NAME: CHAPTER4:DEMANDANDELASTICITYWORKSHEET Definitionof ElasticityofDemand : Itisa measureofhowresponsivequantityistoapricechange.The higher the measurethenthe moreresponsive consumerswillbeto achangeinprice. The lower themeasurethenthe lessresponsive consumerswillbeto achangeinprice. Theelasticityofdemand is LOWER(LESS RESPONSIVE) in
DUEDATE: NAME:
CHAPTER4:DEMANDANDELASTICITYWORKSHEET
DefinitionofElasticityofDemand:
Itisa measureofhowresponsivequantityistoapricechange.Thehigherthe measurethenthemoreresponsiveconsumerswillbeto achangeinprice. Thelowerthemeasurethenthe lessresponsiveconsumerswillbeto achangeinprice.
- Theelasticityofdemand isLOWER(LESS RESPONSIVE) in the long run because consumers havemore time toadjust.
- AnElasticityof1.0 of greater = demand(page110inbook)
- AnElasticityofexactly1.0 = demand
- AnElasticityofbetween 0 and1.0 = demand
- Use the Elasticity formula to calculate values of Elasticity for all the situations below. Change negatives topositives.
STEP1: Theformulaused tocalculatethepercentagechangeinquantitydemanded is:
[QDemand(NEW)-QDemand(OLD)]/QDemand(OLD)
STEP2:Theformulausedto calculatethepercentagechangein priceis:
[Price(NEW)-Price(OLD)]/Price(OLD)STEP3:(STEP1)/ (STEP2)
Price | Quantity | STEP1 % change in quantitydemanded | STEP2 % change inprice | STEP3 PriceElasticityofDemand | ||
Initial | New | Initial | New | |||
25 | 30 | 100 | 40 | 1. | ||
40 | 70 | 120 | 90 | 2. | ||
200 | 220 | 80 | 64 | 3. | ||
50 | 75 | 150 | 135 | 4. |
In eachcaseidentifywhether you woulddescribeitaselastic/unitelastic/inelastic
1.
2.
3.
4.
- WhathappenstotheElasticityofDemandiftherearemanysubstitutesforagood?Isitelasticor inelastic?Why?
- Giventhedatabelow,calculatetheprice elasticityofdemandwhenthepricechangesfrom $9.00to$10.00.
ANSWER: CHANGEALLNEGATIVENUMBERSTOPOSITIVES
DataforGoodX | |
Price($) | QuantityDemanded |
7.00 | 200 |
8.00 | 180 |
9.00 | 150 |
10.00 | 110 |
11.00 | 60 |
- Is the demand for Good X Elasticor Inelasticbetween $9 and $10? Use the above demand schedule toanswer this.
- Whatdoesitmeanforagoodtobeelastic?
- Whattypeofdemandwouldtherebe fora goodthathadNOsubstitutes? CircleOne
Elastic Inelastic
- Whichwaywouldthedemand curveof GoodXshift ifthepriceofGoodY(acomplementarygood)increased?CircleOne
Left Right
- WhathappenstotheDemandCurveofaGoodXifthepriceofGoodY(asubstitutegood)increases?Explainwhythedemand curveforGood Xchanged?
Left Right
- Kobe'sfavoritedrinkiscola. Hebuysa12pack fromhislocalsupermarketand hasnoticedthatthepriceoften varies. His monthly demand for cola is shown below: From the information provided in thedemandschedule, drawalabeled demandcurvebelow.
Usethegraphspacetodrawthecurve.Labelthedemandcurve D1.
Kobe'sWeeklyDemandforCola | |
Price($) | QuantityDemanded |
5.00 | 2 |
4.50 | 3 |
4.00 | 4 |
3.50 | 5 |
2.50 | 6 |
- Kobe's drinks cola drinks to give him energy - he loves Dr. Pepper, but sometimes Mr. Pibb (a substitutegood for Dr. Pepper) is on special sale. Given the lower price for Mr. Pibb, a new demand schedule hadto be created for Dr. Pepper. Use the graph space above you created in Question 13 to draw the newdemandcurve. Label thenewdemand curveD2.
DEMANDSCHEDULE
PRICE FORDR. PEPPER | OLDDEMAND | NEWDEMAND |
$5.00 | 2 | 1 |
$4.50 | 3 | 2 |
$4.00 | 4 | 3 |
$3.50 | 5 | 4 |
$2.50 | 6 | 5 |
- From the information shown on figure 1 below, construct a demand schedule showing Kobe's monthlydemandforDr. Pepper.
- Which way would the demand curve for Good X (an inferior good) shift if your income increased? CircleOne
Left Right
- Inthe followingscenariosdescribeifthereisashift toademandcurve forGood X(asuperior good)andstatewhich waythecurvewill shift(Left, Right, orStays theSame)
- anincreaseinpriceforGoodX A.
- afallincustomer'sincome B.
- anincreaseinthepriceofasubstitutegood C.
- adecreaseinthepriceof acomplementgood D.
- Whydo suppliers wantto createmoreinelasticdemand relationships in theproducts that theysell?
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