We use the Johansen cointegration approach to assess the empirical validity of the purchasing power parity (PPP) between the UK and Germany since the introduction of the euro. We conduct the empirical analysis in the context of the global financial crisis that began in 2007 and find that it...

Traditional customs union theory concludes that trade creation enhances welfare. Thus, Yu's (1982) conclusion that trade creation may decrease welfare in the presence of general unemployment is an important observation. Parai and Batra (1987) reestablish the traditional results in the...