2
votes
0answers
59 views

How to calculate the following expectation

I have a problem to find the expectation of the following expression, $$E\left[W_T e^{\int_0^T(W_s)ds}\right].$$ Here, $W_T$ is a Brownian motion. Any suggestions as to how to proceed with it? Many ...
0
votes
0answers
15 views

Comparing optimum of two stochastic maximization problems

I want to show that $$\arg\max_{x}\left(\int^b_a f(x,p) dp\right)>\arg\max_{x}\left(\int^b_a g(p)h(f(x,p)) dp\right)$$ where the parameters have the following properties $x,p,a,b>0$, and the ...
3
votes
1answer
146 views

Integral paradox: Deterministic integral interpreted as limiting case of stochastic integral

The value of a stochastic integral, in this case integrating a Wiener process with respect to itself $$\int_0^T W(t)\;dW(t)$$ is dependent on the chosen position of the endpoint of the subintervals. ...
1
vote
1answer
183 views

Integration Order Reversal

I have a question regarding integration order reversal in a stochastic integral. This is a homework problem of the form "Show this is true". My problem is 1) my results are not exactly the same as the ...