volatility but also strategies: inverseETFtry to achieve the opposite performance or leveragedETFthat seek to magnify the …

market depth) or increase (due to more speculation) volatility. As the identification of these effects ultimately remains an … empirical question, we use daily data from April 2005 to April 2008 to document volatility behavior in the EU ETS. By … introduction of the option market had no effect on the volatility in the EU ETS. These finding are robust to other likely …

information and volatility and to allow the emergence of a consensus. The use of these interruptions is very frequent on the … capitalizations. However, our empirical study emphasizes an inefficiency of the reservations of quotation. Indeed, the volatility of …

shares, the market price of risk, the risk free rate, the bond prices at dierent maturities, the stock price and volatility …

proportional transaction costs. Thirdly, we show that return volatility may be and generally is increasing in proportional …