If a firm has clearly improved its customers' value chain in one or more ways, can we take this as evidence of a clear competitive advantage?
Answer to relevant QuestionsWhat are the 3 most important assumptions underlying Markowitz’s (1952, 1959) contributions to the theory of portfolio risk? Calculate the arithmetic mean return for DE, INTC, PFE and the S&P 500. Calculate the weighted average beta of the 50/50 and 35/35/30 portfolios. Would some investors find the 50/50 portfolio preferable to holding Chevron, Yum! Brands or an S&P 500 index exchange-traded fund (ETF) alone? Draw an XY scatterplot of the expected return (y-axis) and standard deviation ...What are the two main subcomponents of total risk (volatility)?
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