Search Results for author: Joann Jasiak

Found 10 papers, 0 papers with code

GCov-Based Portmanteau Test

no code implementations8 Dec 2023 Joann Jasiak, Aryan Manafi Neyazi

We examine finite sample performance of the Generalized Covariance (GCov) residual-based specification test for semiparametric models with i. i. d.

Optimization of the Generalized Covariance Estimator in Noncausal Processes

no code implementations26 Jun 2023 Gianluca Cubadda, Francesco Giancaterini, Alain Hecq, Joann Jasiak

When the number and type of nonlinear autocovariances included in the objective function of a GCov estimator is insufficient/inadequate, or the error density is too close to the Gaussian, identification issues can arise.

Penalized Likelihood Inference with Survey Data

no code implementations16 Apr 2023 Joann Jasiak, Purevdorj Tuvaandorj

This paper extends three Lasso inferential methods, Debiased Lasso, $C(\alpha)$ and Selective Inference to a survey environment.

Digital Divide: Empirical Study of CIUS 2020

no code implementations19 Jan 2023 Joann Jasiak, Peter MacKenzie, Purevdorj Tuvaandorj

Canada and other major countries are investigating the implementation of ``digital money'' or Central Bank Digital Currencies, necessitating answers to key questions about how demographic and geographic factors influence the population's digital literacy.

Time-Varying Coefficient DAR Model and Stability Measures for Stablecoin Prices: An Application to Tether

no code implementations2 Jan 2023 Antoine Djobenou, Emre Inan, Joann Jasiak

This paper examines the dynamics of Tether, the stablecoin with the largest market capitalization.

Structural Modelling of Dynamic Networks and Identifying Maximum Likelihood

no code implementations21 Nov 2022 Christian Gourieroux, Joann Jasiak

We introduce a new Identifying Maximum Likelihood (IML) method for consistent estimation of the identified set of admissible NMF's and derive its asymptotic distribution.

Nonlinear Fore(Back)casting and Innovation Filtering for Causal-Noncausal VAR Models

no code implementations20 May 2022 Christian Gourieroux, Joann Jasiak

We introduce closed-form formulas of out-of-sample predictive densities for forecasting and backcasting of mixed causal-noncausal (Structural) Vector Autoregressive VAR models.

Long Run Risk in Stationary Structural Vector Autoregressive Models

no code implementations18 Feb 2022 Christian Gourieroux, Joann Jasiak

This process represents the stationary long run component in an unobserved short- and long-run components model involving different time scales.

Time Series Time Series Analysis +1

Composite Likelihood for Stochastic Migration Model with Unobserved Factor

no code implementations19 Sep 2021 Antoine Djogbenou, Christian Gouriéroux, Joann Jasiak, Maygol Bandehali

We introduce the conditional Maximum Composite Likelihood (MCL) estimation method for the stochastic factor ordered Probit model of credit rating transitions of firms.

Generalized Covariance Estimator

no code implementations14 Jul 2021 Christian Gourieroux, Joann Jasiak

This class of processes includes the standard Vector Autoregressive (VAR) model, the nonfundamental structural VAR, the mixed causal-noncausal models, as well as nonlinear dynamic models such as the (multivariate) ARCH-M model.

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