Question: QUESTION 29 The difference between a martingale (random walk) and a submartingale process for stock prices is that the expected price change in a martingale

 QUESTION 29 The difference between a martingale (random walk) and a

QUESTION 29 The difference between a martingale (random walk) and a submartingale process for stock prices is that the expected price change in a martingale is and the expected price change for a submartingale is A positive, zero B. zero, positive C. positive, negative zero, negative O E. positive, positive D

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