Price index Laspeyres Paasche’s and fisher’s ideal price index questions and answers

Price index Laspeyres Paasche’s and fisher’s ideal price index questions and answers price index is a normalized average of price relatives for a given class of goods or services in a given region, during a given interval of time. It is a statistic designed to help to compare how these price relatives, taken as a whole, differ between time periods or geographical locations.

Definition of terms

  • Laspeyres price index; The Laspeyres price index is an index formula used in price statistics and quantitative methods for measuring the price development of the basket of goods and services consumed in the base period. The question it answers is how much a basket that consumers bought in the base period would cost in the current period
  • Paasche’s price index; The Paasche index is a composite index number of price arrived at by the weighted sum method. This index number corresponds to the ratio of the sum of the prices of the actual period n and the sum of prices of the reference period 0, these sums being weighted by the respective quantities of the actual period.
  • fisher’s ideal price index Fisher’s Ideal price index is the geometric mean of the Laspeyres and Paasche volume indices. A measure of change in volume from period to period. It is calculated as the squareroot answer of Laspeyres multiplied by paasche’s then multiplied by 100

Price index Laspeyres Paasche’s and fisher’s ideal price index questions and answers

Question 1

The prices and quantities of 3 commodities in a country for the year 2005 and 2010 are given in the table below

  1. Calculate Laspeyres price index
  2. Calculate Paasche’s price index
  3. Calculate fishers ideal price index
CommodityPriceQuantityPriceQuantity
Sugar90200120150
Milk4015060100
Tomatoes201005080
     
2005 and year 2010

Laspeyres price index

You will start your calculation by drawing the exact same table and adding the columns for PiQo and PoQo. The Laspeyres price index is an index formula used in price statistics and quantitative methods for measuring the price development of the basket of goods and services consumed in the base period the formula of Laspeyres price index is;

Where:

  • Pi The price of good i in the current year
  • Po: The price of good i in the base year
  • Qi: The quantity consumed of good i in the current year
  • Qo: The quantity consumed of good i in the base year
                                          PoQoPiQi    
CommodityPriceQuantityPriceQuantityPiQoPoQoPiQiPoQi
Sugar9020012015024000180001800013500
Milk40150601009000600060004000
Tomatoes2010050805000200040001600
         

To find your respective answer do the summation then use the formula shown. 38000/26000×100= 146.154

Paasche’s price index

You will start your calculation by drawing the exact same table and adding the columns for PiQi and PoQi. The formula of Paasches price index is;

To find your respective answer do the summation then use the formula shown.8100/9100×100= 89.01

fisher’s ideal price index

You will start using the answers found for Laspeyres, paasches to find fisher’s ideal. The formula of Fisher’s ideal price index is;

To find your respective answer do the summation then use the formula shown. answer is (√ Laspeyres×Paasches) × 100= (√146.154×89.01) × 100= 1140.577

Solution 1

The prices and quantities of 3 commodities in a country for the year 2005 and 2010 are given in the table below

CommodityPriceQuantityPriceQuantity
Sugar90200120150
Milk4015060100
Tomatoes201005080
   
                                          PoQoPiQi    
CommodityPriceQuantityPriceQuantityPiQoPoQoPiQiPoQi
Sugar9020012015024000180001800013500
Milk40150601009000600060004000
Tomatoes2010050805000200040001600
         
  1. Calculate Laspeyres price index= 38000/26000×100= 146.154
  2. Calculate Paasche’s price index= 8100/9100×100= 89.01
  3. Calculate fishers ideal price index= (√146.154×89.01) × 100= 1140.577

Factors to be considered when calculating index numbers

  • purpose of index number
  • Selection of commodities
  • Selection of an average
  • Selection of weights

QUESTIONS AND ANSWERS TO STATISTICS, QUANTITATIVE TECHNIQUES, QUANTITATIVE METHODS E.T.C

  1. Frequency distribution table example with solution
  2. Examples & formulas for standard deviation variance mean for grouped data
  3. Examples & Formulas For Standard Deviation Variance Mean For Ungrouped Data
  4. Time series analysis least square method solved examples
  5. Probability questions and answers statistics
  6. Pearson’s Coefficient of correlation formula example & solution
  7. PERT network diagram critical path example and solution project management
  8. Venn diagrams examples with solution 2 3 circles
  9. Regression equation formula how to calculate solved example

QUANTITAVE METHODS NOTES(PDF) 

We are a group of graduates from Kenya school of TVET which is tasked with Training of Technical Trainers to teach in secondary schools and tertiary institutions, Implementation of various syllabi under TVET Programs in collaboration with stakeholders. Development of relevant syllabi for technical training in collaboration with stakeholders.

Leave a Reply

Your email address will not be published. Required fields are marked *

Back To Top