A Fast Literature Search Engine based on top-quality journals, by Dr. Mingze Gao.
- Topic classification is ongoing.
- Please kindly let me know [mingze.gao@mq.edu.au] in case of any errors.
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Results 380 resources
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This paper derives preference‐free option pricing equations in a discrete time economy where asset returns have continuous distributions. There is a representative agent who has risk preferences with an exponential representation. Aggregate wealth and the underlying asset price have transformed normal distributions which may or may not belong to the same family of distributions. Those pricing results are particularly valuable (a) to show new sufficient conditions for existing risk‐neutral option pricing equations (e.g., the Black‐Scholes model), and (b) to obtain new analytical solutions for the price of European‐style contingent claims when the underlying asset has a transformed normal distribution (e.g., a negatively skew lognormal distribution).
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This paper proposes a new simulation‐based approach for optimal portfolio allocation in realistic environments with complex dynamics for the state variables and large numbers of factors and assets. A first illustration involves a choice between equity and cash with nonlinear interest rate and market price of risk dynamics. Intertemporal hedging demands significantly increase the demand for stocks and exhibit low volatility. We then analyze settings where stock returns are also predicted by dividend yields and where investors have wealth‐dependent relative risk aversion. Large‐scale problems with many assets, including the Nasdaq, SP500, bonds, and cash, are also examined.
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This article proposes a new approach to evaluate contagion in financial markets. Our measure of contagion captures the coincidence of extreme return shocks across countries within a region and across regions. We characterize the extent of contagion, its economic significance, and its determinants using a multinomial logistic regression model. Applying our approach to daily returns of emerging markets during the 1990s, we find that contagion is predictable and depends on regional interest rates, exchange rate changes, and conditional stock return volatility. Evidence that contagion is stronger for extreme negative returns than for extreme positive returns is mixed. Copyright 2003, Oxford University Press.
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The persistently large number of uninsured, roughly 40 million per year since 1993, continues to elicit bipartisan policy interest. Coverage-expansion proposals without mandates, by far the most common since the defeat of the Clinton plan, must address risk-pooling realities in private markets. Insurers have strong financial incentives to segment risks and minimize pooling of heterogeneous risks, and narrow risk-pooling will diminish the adequacy of premium subsidies based on income alone, at least for higher-risk individuals. The current debate over flat tax credits and the non-group market is a case in point (Blumberg, 2001; Center for Studying Health System Change, 2002; Jack Hadley and James D. Reschovsky, 2002). We, along with nine other teams, were asked to develop a proposal that would expand coverage in a large and creative way (see Holahan et al., 2001). The proposal we developed would subsidize low-income individuals and families but also addresses the issue of inefficient and inequitable risk-pooling.
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