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Below are the prices of toothpaste (9 oz.), shampoo (7 oz.), cough tablets (package of 100), and antiperspirant (2 oz.) for August 2000 and August 2017. Also included are the quantity purchased. Use August 2000 as the base.
Item August 2000 August 2017
Price Quantity Price Quantity
Toothpaste $2.49 6 $3.35 6
Shampoo 3.29 4 4.49 5
Cough drops 1.59 2 4.19 3
Antiperspirant 1.79 3 2.49 4
a. Determine the simple price indexes.
b. Determine the simple aggregate price index for the two years.
c. Determine Laspeyres' price index.
d. Determine the Paasche price index.

Sagot :

Answer:

a. We have:

Toothpaste simple price index = 134.54

Shampoo simple price index = 136.47

Cough drops = 263.52

Antiperspirant = 139.11

b. Simple aggregate price index  = 158.52

c. Laspeyres’ price Index = 147.09

d. Paasche price index = 150.23

Explanation:

a. Determine the simple price indexes.

Simple price index = (Price of a good in the current / Price of the good in the base year) * 100 ……. (1)

Using equation (1), we have:

Item August 2000 August 2017

Price Quantity Price Quantity

Toothpaste simple price index = ($3.35 / $2.49) * 100 = 134.54

Shampoo simple price index = ($4.49 / 3.29) * 100 = 136.47

Cough drops = ($4.19 / 1.59) * 100 = 263.52

Antiperspirant = ($2.49 / $1.79) * 100 = 139.11

b. Determine the simple aggregate price index for the two years.

Simple aggregate price index = (Total of the current year’s prices of the four commodities / Total of the base year’s prices of the four commodities) * 100 = (($3.35 + $4.49 + $4.19 + $2.49) / ($2.49 + $3.29 + $1.59 + $1.79)) * 100 = 158.52

c. Determine Laspeyres' price index.

Laspeyres’ price Index = Cost of the base quantities of the four commodities at current prices / (Cost of the base quantities of the four commodities at base period prices) * 100 = ((($3.35 * 6) + ($4.49 * 4) + ($4.19 * 2) + ($2.49 * 3)) / (($2.49 * 6) + ($3.29 * 4) + ($1.59 * 2) + (1.79 * 3))) * 100 = 147.09

d. Determine the Paasche price index.

Paasche price index = Cost of the current quantities of the four commodities at current prices / (Cost of the current quantities of the four commodities at base period prices) * 100 = ((($3.35 * 6) + ($4.49 * 5) + ($4.19 * 3) + ($2.49 * 4)) / (($2.49 * 6) + ($3.29 * 5) + ($1.59 * 3) + ($1.79 * 4))) * 100 = 150.23