JIMING YU is a vice president at a large financial institution in New York, NY. The risk return relation is a staple of modern finance. When risk is measured by volatility, it is well known that option prices convey risk. One of the more inf luential ideas in the last twenty years is that the conditional volatility of an asset price can also be inferred from the market prices of options written...

I analyze the relationship between labor intensity – the wages to revenue ratio – and a firm’s risk and book-to-market ratio in a production model. Under plausible parameters, labor intensive firms are riskier and exhibit higher book-to-market ratios than capital intensive firms. Covariance with the stochastic discount factor grows with labor intensity so the return spread between labor and cap...

capital asset pricing, as one of the basic theories in finance and investment area, develop a model for estimation of expected rate of return and equity cost of capital. this model has many applications in the field of finance. one of anomalies in the capital asset pricing model is the value premium that its proponents believe this risk premium is compensation for a risk not mentioned in origin...

the relationship between finance and other social sciences as known behavioural finance, evaluate investors to the decision-making process and their reaction to different conditions of financial markets deals. in this study assumed that analysts are specialist in fundamental and technical analysis and then influence their personality characteristics is evaluated on their performance. statistica...

introduction: the greatest part of constructed dams belongs to embankment dams and there are many examples of their failures throughout history. about one-third of the world’s dam failures have been caused by flood overtopping, which indicates that flood overtopping is an important factor affecting reservoir projects’ safety. moreover, because of a poor understanding of the randomness of floods...