Card payment systems are sometimes accused of taking from the poor and giving to the rich. The argument is as follows: High card fees are leading to higher retail prices for both, card users and cash users. However, high income card holders are receiving rewards when purchasing by card. The...

As well as theoretical evidence advocating the intertemporal view, the authors present four case studies in support of this approach: Germany before and after unification, Spain before joining the EMS, the United States since the early 1980s, and Japan’s persistent current account surpluses.

In this study it is attempted to estimate the amount of speculation in foreign exchange market.