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What is a stochastic discount factor and how does it relate to the concept of a martingale for asset pricing?
How does the Allais paradox relate to von Neumann-Morgenstern utility theory?
If the portfolio problem has a solution, then must there exist a risk-neutral probability measure for the economy? Why?
Generally, mean-variance utility is only approximately related to vNM utility. Under which circumstances does mean-variance utility correspond exactly with vNM utility?
According to the consumption CAPM, what should be the primary driver of the expected returns on financial securities?
Describe the Mehra-Prescott puzzle. Why is it a puzzle?
How do restrictions on short selling affect the Pareto optimality of a firm’s capital structure choice?
What are the major factors that contributed to Xiaomi becoming a leading smartphone company in China?
A market maker believes that the future stock price can be either $20 or $40, she asses the current probability of it being $40 as 0.32, she assesses the likelihood of encountering an informed trader who knows the future value with 95% certainty as being 0.02, and she can’t distinguish between informed or uninformed traders.What should be her bid price?
Strong-form efficiency implies security prices reflect all available information. Why is strong-form efficiency unlikely to hold?
A sample of 82 Oscar winning actresses had a mean age of 35.9 years and standard deviation 11.1 years when winning Oscars. Use a 0.05 significance level to test the claim that the mean age of actresses when they win Oscars is less than 38 years.
What are Apple’s key advantages in how it manages its supply chain operations?
the numbers of words (in thousands) males and females in ten randomly selected couples spoke in a day. Use a 0.05 significance level to test the claim that among couples, there is no difference in the number words males and females speak.
In a random sample of 360 women, 65% favored stricter gun control laws. In a random sample of 220 men, 60% favored stricter gun control laws.
Why do we represent the real part of an imaginary number with a cosine wave and the imaginary part with a sine wave?
Create a frequency table and a relative frequency table
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