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Effcts of Diffrent Methods of Aggregation of Probabilities on the R&D Investment Portfolio for Optimal Emissions Abatement: An Empirical Evaluation
Probabilities on the R&D Investment Portfolio Optimal Emissions Abatement An Empirical Evaluation
2014/10/22
This thesis examines two possible orders of combining multiple experts in elicitations with multiple de-composed events: Should experts be combined early or later in the decision process? This thesis ...
Dynamic Portfolio Analysis and Its Application to the Problem of Export Diversification
Dynamic Portfolio Analysis Its Application to the Problem of Export Diversification
2014/3/24
Dynamic Portfolio Analysis and Its Application to the Problem of Export Diversification。
Saddlepoint methods in portfolio theory
Saddlepoint methods portfolio theory Portfolio Management
2012/3/2
We discuss the use of saddlepoint methods in the analysis of portfolios, with particular reference to credit portfolios. The objective is to proceed from a model of the loss distribution, given throug...
Increasing the number of inner replications of multifactor portfolio credit risk simulation in the t-copula model
credit risk expected shortfall extremal dependence geometric shortcut
2011/8/30
We consider the problem of simulating tail loss probabilities and expected losses conditioned on exceeding a large threshold (expected shortfall) for credit portfolios. Instead of the commonly used no...
A simulation study of Basel II expected loss distributions for a portfolio of credit cards
Basel II consumer credit expected loss simulation
2011/8/22
Credit scoring models have been used traditionally as the basis of decisions to reject or accept credit applications. They are also used to categorize applicants or existing accounts into risk groups....
If there were to be anything mystical in finance then it certainly would be in the realm of derivatives. For many hardened financial professionals the very word conjures images that are horrific enoug...
This paper addresses the optimal scheduling of the liquidation of a portfolio using a new
angle. Instead of focusing only on the scheduling aspect like Almgren and Chriss in [2], or
only on the liqu...
Optimal Portfolio Diversification Using Maximum Entropy Principle
Diversification Entropy measure Portfolio selection Shrinkage rule Simulation methods
2011/4/2
Markowitz’s mean-variance (MV) efficient portfolio selection is one of the most widely used approaches in solving portfolio diversification problem. However, contrary to the notion of diversification,...
Measuring Portfolio Diversification
diversification portfolio asset Gaussian assets the measure
2011/3/23
In the market place, diversification reduces risk and provides protection against extreme events by ensuring that one is not overly exposed to individual occurrences.
Portfolio Insurance under a risk-measure constraint
Portfolio insurance Utility maximization Convex risk measures CVaR entropic risk measure
2011/3/23
We study the problem of portfolio insurance from the point of view of a fund manager, who guarantees to the investor that the portfolio value at maturity will be above a fixed threshold.
On utility maximization under convex portfolio constraints
utility-maximization semimartingale financial market predictable convex-set-valued processes
2011/3/23
We consider a utility-maximization problem in a general semimartingale financial market, subject to constraints on the number of shares held in each risky asset. These constraints are modeled by predi...
Marking Systemic Portfolio Risk with Application to the Correlation Skew of Equity Baskets
Marking Systemic Portfolio Risk the Correlation Skew of Equity Baskets
2011/1/4
The downside risk of a portfolio of (equity)assets is generally substantially higher than the downside risk of its components. In particular in times of crises when assets tend to have high correlatio...
Scaling portfolio volatility and calculating risk contributions in the presence of serial cross-correlations
portfolio market risk volatility scaling square-root-of-time rule
2010/10/21
In practice daily volatility of portfolio returns is transformed to longer holding periods by multiplying by the square-root of time which assumes that returns are not serially correlated. Under this ...
Optimal Liquidation Strategies Regularize Portfolio Selection
Optimal Liquidation Strategies Regularize Portfolio Selection
2010/10/19
We consider the problem of portfolio optimization in the presence of market impact, and derive optimal liquidation strategies. We discuss in detail the problem of finding the optimal portfolio under E...
Monte Carlo Portfolio Optimization for General Investor Risk-Return Objectives and Arbitrary Return Distributions: a Solution for Long-only Portfolios
Portfolio Optimization Optimisation Random Portfolio Monte Carlo Simplex
2010/10/21
We develop the idea of using Monte Carlo sampling of random portfolios to solve portfolio investment problems. In this first paper we explore the need for more general optimization tools, and conside...