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From the following what is true about price index?
It describe the relative price ямВuctuation of goods and services.
It provide a historical record of prices over time.
It is used to predict future prices on basis of the past price fluctuations.
All of the above.
It is used to predict future prices on basis of the past price fluctuations.
A 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 acts as an economic indicator that quantifies the change in the cost of a market basket, helping to measure inflation or deflation over time.
A 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 acts as an economic indicator that quantifies the change in the cost of a market basket, helping to measure inflation or deflation over time.
PI=тИС(P0тАЛтЛЕQ0тАЛ)тИС(PnтАЛтЛЕQ0тАЛ)тАЛтЛЕ100 тАФ Laspeyres Price Index formula where PnтАЛ is current price and P0тАЛ is base price.
Infl=IndexinitialтАЛIndexfinalтАЛтИТIndexinitialтАЛтАЛтЛЕ100 тАФ Percentage change in price index representing inflation rate.
Price indices function by selecting a base year and comparing the total cost of a representative basket of goods and services in a current year against that base year. The calculation follows a weighted average method, where index values are computed periodically to track fluctuations. These indices help economists and engineers normalize historical data to present-day values (money-time relationship) and perform trend analysis.
Price indices are dimensionless figures used to compare price levels across different periods.
They serve as essential tools for adjusting contracts, wages, and pension payments to maintain purchasing power.
The Consumer Price Index (CPI) and Wholesale Price Index (WPI) are standard indices used globally.
Simplifies complex price movements into a single numeric indicator.
Facilitates the calculation of real income vs. nominal income.
Often fails to account for quality improvements in goods (substitution bias).
May not reflect individual spending patterns correctly.
Economic policy formulation and interest rate adjustment.
Engineering cost estimation and project budget escalation planning.
The Base Year index is typically assigned a value of 100.
Option C is correct because technical forecasting (regression analysis) often utilizes historical price index time-series data to predict future trends in materials and labor costs.
D is correct тАФ A price index effectively tracks price fluctuations, provides historical data, and facilitates future price forecasting for economic and project planning.
When solving Engineering Economics problems, always check if the given 'Price Index' applies to labor, materials, or general utility, as indices vary significantly by category.