Hi everyone,
i am doing my dissertation and using Buy and Hold Abnormal Return to evaluate IPOs performance.
The formula is BHARi,h = ∏t=1h(1+Ri,t)−∏t=1h(1+Rm,t)
Here is a set of data, how can I calculate the correct BHAR in (1+Ri,t)?
month share price
0 21.5
1...