"In principle currencies always have an impact on travel and tourism," said Taleb Rifai, head of the UN World Tourism Organization, at the Berlin tourism fair (ITB) this past week. The rule is simple, he said: "A weaker currency attracts people to your country and prevents you from travelling. A stronger currency encourages you to travel," Rafai added, and makes vacationing at home costlier in relative terms. When the Swiss franc suddenly soared against the euro after the Swiss National Bank abandoned attempts to hold down the currency in January, leisure and travel provider Pierre & Vacances-Center Parcs Group soon found that Swiss customers hunted euro-priced holidays in France and Germany. "Naturally we had to react," said Joachim Quadt, sales director for Germany and Switzerland. In February the company offered discounts to tour operators for Swiss sites, in Swiss francs. Get the full story at CTV News