A test of speculative efficiency on the foreign exchange markets of Poland, the Czech Republic, Hungary and the Slovak republic was unable to identify a cointegration relationship between forward and spot rates against the euro for the period between 1999 and mid-2002. Econometric studies...

Im Rahmen eines Tests der spekulativen Effizienz auf den Devisenmärkten Polens, der Tschechischen Repubik, Ungarns und der Slowakei kann für den Beobachtungszeitraum von 1999 bis Mitte 2002 keine Kointegrationsbeziehung zwischen Termin- und Kassakursen gegenüber dem Euro nachgewiesen werden....

Dynamic development of the Internet and electronic devices favours also its use in the marketing activity of enterprises what manifests itself in dynamic development of e-commerce or the use of the Internet for communication. Aim of this article is to evaluate the possibility of using Internet...