We introduce a continuous-time principal-agent model where the agent can privately influence both the drift and diffusion of the cash flows. The total diffusion is the product of the agent's volatility choice and a stochastic volatility process that is unobservable to the principal. This model...

We study the impact of different central bank communication practices on the trading behavior and profitability of fast and slow traders in the foreign exchange market. We focus, in particular, on how the Bank of Japan's practice of introducing some randomness to the time at which it releases...