This paper shows that changes in the tone of central bank communication have a significant effect on asset prices. Tone captures how the central bank frames economic fundamentals and its monetary policy. When tone becomes more positive, stock prices increase, whereas credit spreads and...

We study the effect of options trading volume on the value of the underlying firm after controlling for other variables that may affect firm value. The volume of options trading might have an effect on firm value because it helps to complete the market (allocational efficiency) and because the...

This paper offers a multisecurity model in which prices reflect both covariance risk and misperceptions of firms' prospects, and in which arbitrageurs trade to profit from mispricing. We derive a pricing relationship in which expected returns are linearly related to both risk and mispricing...

Models of price formation in securities markets suggest that privately informed investors are a significant source of market illiquidity. Since illiquidity increases the round-trip trading cost of an investor, this implies that uninformed investors will demand higher rates of return from...

This paper shows how traders learn from post-trade identity disclosure in a currency limit order market. We establish that identity disclosure reveals information and show how traders react by reversing their order flow in line with the better informed. Informed traders primarily incorporate...

We study the information in order flows in the world's largest over-the-counter market, the foreign exchange market. The analysis draws on a data set covering a broad cross-section of currencies and different customer segments of foreign exchange endusers. The results suggest that order flows...

We study the information in order flows in the world's largest over-the-counter market, the foreign exchange market. The analysis draws on a data set covering a broad cross-section of currencies and different customer segments of foreign exchange end-users. The results suggest that order flows...

We built the largest dataset of high-frequency exchange rates so far. Our sample covers the spot prices and order flows of 19 currency pairs over the last 15 years measured on Reuters and EBS at the thirty-second frequency. We show that common, price-based factors describe exchange rate dynamics...