What Is a General Price Index?

The price index is a percentage calculated in a stock investment based on a certain period as the base period, and the average stock price in each subsequent period compared with the base period price. An index reflecting changes in stock price levels. If a certain stock price rises 10% from the base day, the stock price index for that day will be 110. Due to the large number of companies that issue stocks and the number of listed stocks in the thousands and tens of thousands, generally a certain number of representative stocks of different types of companies are used for calculation. The more important international stock price indexes are the Dow Jones Stock Average, the Burr Stock Price Index, the Hang Seng Stock Average, the Financial Times Stock Average, and the Tokyo Stock Exchange Stock Price Index. ^[1]

price index

The history of price index compilation is earlier. In the 18th century, governments and economists in Britain and some European and American countries began to engage in the research and application of price index theory. With the development of the capitalist economy, countries around the world began to compile and apply price indices in the late 19th and early 20th centuries. China officially compiled the price index in 1920. In 1927, Tianjin Nankai University prepared and published the North China region.

The price index is divided into different ranges:

1. The combination of the data center warehouse and the physical market can better ensure that data mining is performed in real time.

2. The source of the scientific model of the China Agricultural Data Price Index and the physical market can standardize and standardize agricultural products, and the standardization process has an important exemplary role.

3. The basic data of the China Agricultural Data Price Index comes from the trading terminals of traditional markets. The information is timely and accurate. It can provide reliable scientific data for market economic research and has a high promotion value.

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According to Xinhua News Agency, the 57 main types of monitoring monitored by the Ministry of Commerce in July

Price Index Household Consumption

The consumer price index (CPI) is a relative number that reflects changes in the prices of consumer goods and service items purchased by urban and rural residents during a certain period of time. It is calculated through the comprehensive calculation of the urban consumer price index and the farmer consumer price index.

Price index merchandise retail

The commodity retail price index (RPI) reflects the changes in the retail price of commodities in a certain period of time. Its changes directly affect the living expenses of urban and rural residents and the state's fiscal revenue, and affect the purchasing power of residents and the balance between market supply and demand. The retail price index only reflects the price changes of retail goods, excluding service prices.

Price index fixed asset investment

The fixed asset investment price index reflects the changes in the prices of fixed asset investment products and projects within a certain period. The index can reflect the price change trends and ranges of various investment products and fee items involved in fixed asset investment, eliminate the price change factors in fixed asset investment indicators calculated at current prices, and truly reflect the scale and speed of fixed asset investment. , Structure and benefits.

Price index stock

The stock price index reflects the changes in the trading prices of various stocks in a stock market. The major stock exchanges in various countries all have their own stock price indexes.

Price index electronic market

The electronic market price index can reflect the price changes of electronic products (mainly including electronic components, mobile phones, digital products and IT products) in the professional electronics market in a timely manner, and comprehensively reflect the price status and development trend of electronic information products. Departments and local governments accurately and timely understand and grasp the operating status of the electronic market, and provide a basis for analysis of economic operation of the electronic industry and formulation of related policies. Provide market information for electronic product producers and operators, provide reference for market transactions, manufacturers to set price strategies, buyers to set purchasing budgets, produce marketable products, choose operating products and purchase timing, maintain reasonable inventory, and improve capital utilization Rate; create conditions for improving the management level of market operators and improving service quality.