The attitude of German exporters and importers to currency risks under a system of floating exchange rates has, for the first time, been the subject of an empirical study by the HWWA Institute. The investigation was, in the main, based on a questionnaire sent to 719 enterprises of all sizes...

Although the link between oil prices and dollar exchange rates has been frequently analyzed, a clear distinction between prices and nominal exchange rate dynamics and a clarification of the issue of causality has not been provided. In addition, previous studies have mostly neglected...

In this study, we used the PSTR (panel smooth transition regression) model to investigate the nonlinear relationship between beta (systematic risk) and returns (world market excess returns) for net oil export and net oil import groups. We set the volatility of world market excess return as the...