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DSGE models are designed to mimic only certain aspects of reality, usually specified moments of observable data. They typically have other implications that are clearly false and lead to their immediate rejection if taken literally. Widely used calibration exercises compare the implications of...
Persistent link: https://www.econbiz.de/10014224704
In this paper we study a statistical method of implementing quasi-Bayes estimators for nonlinear and nonseparable GMM models, that is motivated by the ideas proposed in the literature that combines simulation with nonparametric regression in the computation of GMM models. We provide formal...
Persistent link: https://www.econbiz.de/10014141979
RiskPortfolios is an R package for constructing risk-based portfolios. It provides a set of functionalities to build mean-variance, minimum variance, inverse-volatility weighted (Leote De Carvalho, Lu, and Moulin (2012)), equal-risk-contribution (Maillard, Roncalli, and Teïletche (2010)),...
Persistent link: https://www.econbiz.de/10012963897
Two of the most important areas in computational finance: Greeks and, respectively, calibration, are based on efficient and accurate computation of a large number of sensitivities. This paper gives an overview of adjoint and automatic differentiation (AD), also known as algorithmic...
Persistent link: https://www.econbiz.de/10013125827
During metamodel-based optimization three types of implicit errors are typically made.The first error is the simulation-model error, which is defined by the difference between reality and the computer model.The second error is the metamodel error, which is defined by the difference between the...
Persistent link: https://www.econbiz.de/10014062463
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