A volume comparison between two or more countries that is made by comparing the volumes (or quantities) of a representative sample of comparable products.

Tourists are individuals who travel for leisure, recreation and holidays.

refers to definite arrangements under which workers regularly receive, in addition to their wages and salaries, a share on some predetermined basis, in the profits of the undertaking, the sum allocated to workers varying with the level of profits.

Products, also called “goods and services”, are the result of production; they are exchanged and used for various purposes: as inputs in the production of other goods and services, as final consumption or for investment.

An adjustment made to the prices paid by non-market producers for labour, capital and intermediate inputs so that they correspond to a common level of multi-factor productivity.

Generally include those employees who are engaged in fabrication, assembly and related activities, material handling, warehousing and shipping, maintenance and repair, janitorial and guard services, auxiliary production (such as power plants), and other services closely related to the above activities. Working supervisors are generally included, while apprentices and other trainees are generally excluded.

The factor reversal test requires that multiplying a price index and a volume index of the same type should be equal to the proportionate change in the current values.

A detailed list of the characteristics that identify an individual sampled product. Its purpose is to ensure that a consistent price is collected from period to period relating to a consistent product with the same terms of sale in each period. Hence, the characteristics listed cover both the product (name, serial number, description, etc.) and the transaction.

The deliberate replacement of a sampled product, or item, for which prices are being collected, by another product before the replaced product has disappeared from the market or individual establishment. It is designed to keep the sample of products up to date and reduce the need for forced replacements caused by the disappearance of products.

The term commonly used for the list of goods and services, together with their relative values of output or input, for which a sample of prices is collected for the purpose of compiling the PPI.