A Note on Portfolio Optimization and the Diagonal Covariance Matrix
D Disatnik - Available at SSRN 1416849, 2009 - papers.ssrn.com
Recent papers show that, due to estimation errors, existing and rather advanced mean-variance
theory-based portfolio strategies do not consistently outperform the naïve 1/N portfolio …
theory-based portfolio strategies do not consistently outperform the naïve 1/N portfolio …
[PDF][PDF] Shrinking the covariance matrix–Simpler is better
D Disatnik, S Benninga - Journal of Portfolio Management, 2007 - simonbenninga.com
This paper deals with the construction of the covariance matrix for portfolio optimization. We
show that in terms of the ex-post standard deviation of the global minimum variance portfolio…
show that in terms of the ex-post standard deviation of the global minimum variance portfolio…
Estimating the covariance matrix for portfolio optimization
D Disatnik, S Benninga - Available at SSRN 873125, 2006 - papers.ssrn.com
We discuss the estimation of the covariance matrix of stock returns for portfolio optimization
and show that for constructing the global minimum variance portfolio (GMVP), there is no …
and show that for constructing the global minimum variance portfolio (GMVP), there is no …
An equilibrium theory of the dilute solutions of3He in superfluid4He at very low temperatures
Y Disatnik, H Brucker - Journal of Low Temperature Physics, 1972 - Springer
… Disatnik and H. Brucker … where j stands for the momentum density of the solution in the
absence of a macroscopic … J'At T = 0, when vo is assumed to be equal to -~(m4So/n40)O~ol …
absence of a macroscopic … J'At T = 0, when vo is assumed to be equal to -~(m4So/n40)O~ol …
Cash flow hedging and liquidity choices
This article studies the interaction between corporate hedging and liquidity policies. We present
a theoretical model that shows how corporate hedging facilitates greater reliance on cost…
a theoretical model that shows how corporate hedging facilitates greater reliance on cost…
The mitochondrial dynamics of Alzheimer's disease and Parkinson's disease offer important opportunities for therapeutic intervention
Mitochondrial dynamics play a crucial role in the pathobiology underlying Alzheimer's disease
(AD) and Parkinson's disease (PD). Although a complete scientific understanding of these …
(AD) and Parkinson's disease (PD). Although a complete scientific understanding of these …
Target-based drug discovery through inversion of quantitative structure-drug-property relationships and molecular simulation: CA IX-sulphonamide complexes
In this work, a target-based drug screening method is proposed exploiting the synergy effect
of ligand-based and structure-based computer-assisted drug design. The new method …
of ligand-based and structure-based computer-assisted drug design. The new method …
Portfolio optimization using a block structure for the covariance matrix
D Disatnik, S Katz - Journal of Business Finance & Accounting, 2012 - Wiley Online Library
Implementing in practice the classical mean‐variance theory for portfolio selection often results
in obtaining portfolios with large short sale positions. Also, recent papers show that, due …
in obtaining portfolios with large short sale positions. Also, recent papers show that, due …
Need for cognitive closure, risk aversion, uncertainty changes, and their effects on investment decisions
D Disatnik, Y Steinhart - Journal of marketing research, 2015 - journals.sagepub.com
Investment decisions play a crucial role in the way consumers manage their wealth, and
therefore, it is important to understand how consumers make these decisions. This research …
therefore, it is important to understand how consumers make these decisions. This research …
[HTML][HTML] Multicollinearity is a red herring in the search for moderator variables: A guide to interpreting moderated multiple regression models and a critique of Iacobucci …
… David Disatnik & Liron Sivan … The focus of Disatnik and Sivan (2016) is also the
unimportance of multicollinearity concerns in moderated multiple regression analysis, but the …
unimportance of multicollinearity concerns in moderated multiple regression analysis, but the …