Lao kip De La Rue. A 1975 10 kip by Bradbury & Wilkinson and a 1000 kip by De la Rue were printed but not circulated. The Pathet Lao kip was introduced sometime before 1976 in the areas which were under the control of the Pathet Lao. Banknote denominations of 1, 10, 20, 50, 100, 200 and 500 kip were issued. The notes were printed in China. In 1976, the Pathet Lao kip replaced the Royal kip throughout Laos following the Pathet Lao's take over of the country. The exchange rate between the two kip was 1 Pathet Lao kip = 20
Optimum currency area rationale behind the creation of the euro is that the individual countries of Europe do not each form an optimal currency area, but that Europe as a whole does. The creation of the euro is often cited because it provides the most modern and largest-scale case study of an attempt to identify an optimum currency area, and provides a comparative before-and-after model by which to test the principles of the theory. In theory, an optimal currency area could also be smaller than a country. Some economists have argued that the United States, for example, has some regions that do not