Showing 1 - 10 of 464
What are the statistical and computational problems associated with robust nonlinear regression? This paper presents a … number of possible approaches to these problems and develops a particular algorithm based on the work of Powell and Dennis …
Persistent link: https://www.econbiz.de/10013239379
) Improved Stochastic Ranking Evolution Strategy (ISRES), (iii) Multi-Level Single-Linkage (MLSL) algorithm, (iv) Stochastic … versions of TikTak, which is a multistart global optimization algorithm used in some recent economic applications. For … completeness, we add three popular local algorithms to the comparison—the Nelder-Mead downhill simplex algorithm, the Derivative …
Persistent link: https://www.econbiz.de/10012861735
We examine the higher order properties of the wild bootstrap (Wu, 1986) in a linear regression model with stochastic …
Persistent link: https://www.econbiz.de/10013129212
regression discontinuity (RD) framework to applications where time is the running variable and treatment begins at a particular … threshold in time. In this guide for practitioners, we discuss several features of this “Regression Discontinuity in Time” (RDiT … framework closer to an event study than a regression discontinuity design. Based on these features and motivated by hypothetical …
Persistent link: https://www.econbiz.de/10012951355
We consider a linear panel event-study design in which unobserved confounds may be related both to the outcome and to the policy variable of interest. We provide sufficient conditions to identify the causal effect of the policy by exploiting covariates related to the policy only through the...
Persistent link: https://www.econbiz.de/10012920350
regression of Y onto X in a subpopulation homogenous in W = w (formally a conditional linear predictor). Let b<sub>0</sub> (w) be … the coefficient vector on X in this regression. We introduce a semiparametrically efficient estimate of the average β … methods of semiparametric regression (e.g., the partially linear regression model) …
Persistent link: https://www.econbiz.de/10012908172
In structural dynamic discrete choice models, unobserved and mis-measured state variables may lead to biased parameter estimates and misleading inference. In this paper, we show that instrumental variables can address such measurement problems when they relate to state variables that evolve...
Persistent link: https://www.econbiz.de/10012909858
. Extensions of the technique to the regression case are also considered and some computational points are briefly mentioned …
Persistent link: https://www.econbiz.de/10013219725
This paper attempts to provide the user of linear multiple regression with a battery of diagnostic tools to determine … decompositions of basic regression statistics. There is also a discussion of how these techniques can be used with robust and ridge …
Persistent link: https://www.econbiz.de/10013222330
This paper develops asymptotic distribution theory for instrumental variable regression when the partial correlation …
Persistent link: https://www.econbiz.de/10013225602