ZURICH (Reuters) – The Swiss National Bank believes the Swiss franc’s increase in value to above parity versus the euro is unlikely to have a significant impact economically, Chairman Thomas Jordan said in an interview broadcast on Saturday. The currency has surged as investors sought safe-haven assets during the Ukraine war, briefly rising above 1 franc to one euro before weakening to around 1.02 francs to the euro. A year ago, a euro bought 1.10 francs. “From an economic perspective, it’s not got a big importance,” Jordan told SRF when asked if the franc rising above parity was a level the c…