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- 88-Asset price volatility and monetary policy in Switzerland

Volatility is a key variable that permeates most financial instruments and plays a decisive role in many areas of finance and monetary policy. The widespread existence of volatility and its persistence have led researchers to consider its origins. One source of volatility is the introduction of new financial instruments and investment strategies. These measures, depending on their structure, can heighten market volatility by altering the price dynamics. Another source of price volatility is market reaction to news. Improved networks in communication allow markets to respond quickly to new information. The constant re-evaluation of expectations based on increasing volumes of information gives the impression that markets are myopic. Shortsightedness can lead to deviations from fundamentals and to sharp movements in asset prices. These so-called price misalignments or bubbles appear perplexing in that it is often difficult to justify the market's behaviour.