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The term multi-valued treatment effects refers to a collection of population parameters capturing the impact of a treatment variable on an outcome variable when the treatment takes multiple values. For example, in labour training programmes participants receive different hours of training or in...
Persistent link: https://www.econbiz.de/10009395631
This paper presents genetic matching, a method of multivariate matching that uses an evolutionary search algorithm to … determine the weight each covariate is given. Both propensity score matching and matching based on Mahalanobis distance are … limiting cases of this method. The algorithm makes transparent certain issues that all matching methods must confront. We …
Persistent link: https://www.econbiz.de/10011009911
, GMM, GEL and other related estimators. Second, EL is shown to have various advantages over other methods. The theory of …
Persistent link: https://www.econbiz.de/10005087392
Estimation of multivariate volatility models is usually carried out by quasi maximum likelihood (QMLE), for which consistency and asymptotic normality have been proven under quite general conditions. However, there may be a substantial efficiency loss of QMLE if the true innovation distribution...
Persistent link: https://www.econbiz.de/10009228856
Discrete response models are of high interest in economics and econometrics as they encompass treatment effects, social interaction and peer effect models, and discrete games. We study the impact of the structure of information sets of economic agents on the Fisher information of (strategic)...
Persistent link: https://www.econbiz.de/10009323368
In this note, we characterize the semiparametric efficiency bound for a class of semiparametric models in which the unknown nuisance functions are identified via nonparametric conditional moment restrictions with possibly non-nested or over-lapping conditioning sets, and the finite dimensional...
Persistent link: https://www.econbiz.de/10010812538
An efficient estimator is constructed for the quadratic covariation or integrated covolatility matrix of a multivariate continuous martingale based on noisy and non-synchronous observations under high-frequency asymptotics. Our approach relies on an asymptotically equivalent continuous-time...
Persistent link: https://www.econbiz.de/10010640724
Currently available asymptotic results in the literature suggest that matching estimators have higher variance than … reweighting estimators. The extant literature comparing the finite sample properties of matching to specific reweighting … estimators, however, has concluded that reweighting performs far worse than even the simplest matching estimator. We resolve this …
Persistent link: https://www.econbiz.de/10005762278
As previously argued, the correlation between included and omitted regressors generally causes inconsistency of standard estimators for count data models. Using a specific residual function and suitable instruments, a consistent generalized method of moments estimator can be obtained under...
Persistent link: https://www.econbiz.de/10005819668
This paper considers efficient estimation of copula-based semiparametric strictly stationary Markov models. These models are characterized by nonparametric invariant (one-dimensional marginal) distributions and parametric bivariate copula functions; where the copulas capture temporal dependence...
Persistent link: https://www.econbiz.de/10005762792