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## 1. A Summary of Export and Import Price Index Methodology »

### Keywords: equation, sampling, statistics, import price, survey

A. Introduction 1.0 A price index number is a summary measure of the proportionate or percentage change in a set of prices over time. Export and import price indices...

## 18. Aggregation Issues »

### Keywords: equation, sampling, statistics, arithmetic, survey

A. Introduction 18.1 In Chapter 15 a basic index number problem was identified: how exactly should the microeconomic information involving possibly millions of prices...

## 1. An Introduction to PPI Methodology »

### Keywords: equation, sampling, statistics, arithmetic, survey

1.1 A price index is a measure of the proportionate, or percentage, changes in a set of prices over time. PPIs measure changes in the prices of domestic producer goo...

## 16. Axiomatic and Stochastic Approaches to Index Number Theory »

### Keywords: equation, sampling, statistics, arithmetic, survey

A. Introduction 16.1 As Chapter 15 demonstrated, it is useful to be able to evaluate various index number formulas that have been proposed in terms of their propertie...

## 17. Axiomatic and Stochastic Approaches to Index Number Theory »

### Keywords: equation, sampling, statistics, import price, survey

A. Introduction 17.1 As Chapter 16 demonstrated, it is useful to be able to evaluate various index number formulas that have been proposed in terms of their propertie...

## 2. Background, purpose, and Uses of producer price Indices »

### Keywords: equation, sampling, statistics, arithmetic, survey

2.1 PPIs are a key economic indicator in most countries. This chapter provides background information on the development of price indices, discusses the role of nati...

## 15. Basic Index Number Theory »

### Keywords: equation, sampling, statistics, arithmetic, survey

A. Introduction The answer to the question what is the Mean of a given set of magnitudes cannot in general be found, unless there is given also the object for the sak...

## 16. Basic Index Number Theory »

### Keywords: equation, sampling, statistics, import price, survey

A. Introduction The answer to the question what is the Mean of a given set of magnitudes cannot in general be found, unless there is given also the object for the sak...

## 9. Commodity Substitution, Sample Space, and New Goods »

### Keywords: equation, sampling, statistics, import price, survey

A. Introduction 9.1 In this chapter, as with Chapter 8, the focus is on new goods (and services) for export and import price indices (XMPIs) based on establishment su...

## 3. Coverage and Classifications »

### Keywords: equation, sampling, statistics, arithmetic, survey

A. Population Coverage A.1 Economic activities included in the population coverage 3.1 Although the scope of a PPI may include all d...