Whenever there is a comparison of GDPs amongst the countries, Purchasing Power Parity (PPP) concept is very vital to understand. Gross domestic Product (GDP) represents an accounting of the total value of all final goods and services produced in a geographic region over a specific period of time, usually one year.
From Wikipedia, the free encyclopedia. A globally unique identifier (GUID, /ËÉ¡aÉªd/ or /ËÉ¡uËÉªd/) is a unique reference number used as an identifier in computer software. The term GUID typically refers to various implementations of the universally unique identifier (UUID) standard.
1 In a group the additive identity is the identity element of the group, is often denoted 0, and is unique (see below for proof).  A ring or field is a group under the operation of addition and thus these also have a unique additive identity 0.