, challenged the full credibility of the Swiss National Bank (SNB) in enforcing the lower barrier implemented in September 6, 2011 … security price exhibits a lower barrier. We estimate probabilities considerably different from zero, even when the exchange rate …

, challenged the full credibility of the Swiss National Bank (SNB) in enforcing the lower barrier implemented in September 6, 2011 … security price exhibits a lower barrier. We estimate probabilities considerably different from zero, even when the exchange …