The difference between a random walk and a sub martingale is the expected price change in a random walk is ______ and the expected price
The difference between a random walk and a sub martingale is the expected price change in a random walk is ______ and the expected price change for a sub martingale is ______.
A. positive; positive
B. positive; zero
C. zero; positive
D. positive; negative
E. zero; zero
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Authors: Christian Albright, Wayne Winston, Christopher Zappe
4th Edition
538476125, 978-0538476126
