A wage bargaining partner is a group of people that concludes collective agreements stipulating wages, salaries and the working conditions of employees. Wage bargainers include the trade unions and employers' associations, but also individual employers.

A wage-price spiral is a mutually reinforcing process of wage and price increases. Higher wages and the attendant increase in production costs lead to higher sales prices, which in turn give rise to wage increases. This distributional struggle between wage bargaining partners is one possible cause of inflation.

A warrant is a security that securitises the right – but not the obligation – to purchase (call option) or sell (put option) a certain amount of an underlying (usually equity shares) at a pre-determined strike price on a specific date. Warrants are traded on the exchange. The price of a warrant is primarily determined by fluctuations in the price of the underlying. However, additional factors also influence the price of a warrant, in particular the volatility of the price of the underlying. Warrants often respond disproportionately to fluctuations in the price of the underlying.

In 1999, fifteen European central banks signed the Washington Agreement on Gold committing to selling no more than 400 tonnes of gold altogether per year in the following five years in order to help stabilise the gold market. The agreement was extended for another five years in 2004, with an increased quota of 500 tonnes per year and a slightly altered group of participants. In 2009, the agreement was renewed again between the then 17 Eurosystem central banks, Sweden and Switzerland for another five years, this time with the quota once more set at 400 tonnes per year. In 2014, the agreement was renewed again between the 19 Eurosystem central banks (as of 2015), Sweden and Switzerland for another five years.

The watermark is one of several security features of euro banknotes directly incorporated into the banknote paper.  When held against the light different thicknesses of paper make some parts of the watermark appear lighter and some parts darker.

The World Bank group is a special organisation of the United Nations with its own legal personality and comprises five organisations. It is often referred to in short as the World Bank. Its core task is to promote the development of less developed countries through consultancy, technical assistance and financial aid. In a stricter sense, the World Bank is the International Bank for Reconstruction and Development. A country’s weighted vote is determined in accordance with its capital share in the World Bank. The World Bank was created in 1944 and its headquarters are in Washington DC. The post of President of the World Bank is traditionally occupied by a US citizen.