Search Results for author: Giuseppe Cavaliere

Found 12 papers, 0 papers with code

Asymptotics for the Generalized Autoregressive Conditional Duration Model

no code implementations4 Jul 2023 Giuseppe Cavaliere, Thomas Mikosch, Anders Rahbek, Frederik Vilandt

Engle and Russell (1998, Econometrica, 66:1127--1162) apply results from the GARCH literature to prove consistency and asymptotic normality of the (exponential) QMLE for the generalized autoregressive conditional duration (ACD) model, the so-called ACD(1, 1), under the assumption of strict stationarity and ergodicity.

An identification and testing strategy for proxy-SVARs with weak proxies

no code implementations10 Oct 2022 Giovanni Angelini, Giuseppe Cavaliere, Luca Fanelli

We show that frequentist asymptotic inference in these situations can be conducted through Minimum Distance estimation and standard asymptotic methods if the proxy-SVAR can be identified by using `strong' instruments for the non-target shocks; i. e. the shocks which are not of primary interest in the analysis.

valid

Factor Network Autoregressions

no code implementations4 Aug 2022 Matteo Barigozzi, Giuseppe Cavaliere, Graziano Moramarco

We propose a factor network autoregressive (FNAR) model for time series with complex network structures.

Dimensionality Reduction Time Series +1

The Econometrics of Financial Duration Modeling

no code implementations3 Aug 2022 Giuseppe Cavaliere, Thomas Mikosch, Anders Rahbek, Frederik Vilandt

We establish new results for estimation and inference in financial durations models, where events are observed over a given time span, such as a trading day, or a week.

Econometrics

Time-Varying Poisson Autoregression

no code implementations22 Jul 2022 Giovanni Angelini, Giuseppe Cavaliere, Enzo D'Innocenzo, Luca De Angelis

In this paper we propose a new time-varying econometric model, called Time-Varying Poisson AutoRegressive with eXogenous covariates (TV-PARX), suited to model and forecast time series of counts.

Time Series Time Series Analysis

Adaptive information-based methods for determining the co-integration rank in heteroskedastic VAR models

no code implementations5 Feb 2022 H. Peter Boswijk, Giuseppe Cavaliere, Luca De Angelis, A. M. Robert Taylor

We show that adaptive information criteria-based approaches can be used to estimate the autoregressive lag order to use in connection with bootstrap adaptive PLR tests, or to jointly determine the co-integration rank and the VAR lag length and that in both cases they are weakly consistent for these parameters in the presence of non-stationary volatility provided standard conditions hold on the penalty term.

Inference in heavy-tailed non-stationary multivariate time series

no code implementations29 Jul 2021 Matteo Barigozzi, Giuseppe Cavaliere, Lorenzo Trapani

We propose a novel methodology which does not require any knowledge or estimation of the tail index, or even knowledge as to whether certain moments (such as the variance) exist or not, and develop an estimator of the number of stochastic trends $m$ based on the eigenvalues of the sample second moment matrix of $y_{t}$.

Time Series Time Series Analysis

MinP Score Tests with an Inequality Constrained Parameter Space

no code implementations13 Jul 2021 Giuseppe Cavaliere, Zeng-Hua Lu, Anders Rahbek, Yuhong Yang

We show that our tests perform better than/or perform as good as existing score tests in terms of joint testing, and has furthermore the added benefit of allowing for simultaneously testing individual elements of parameter of interest.

Specification tests for GARCH processes

no code implementations28 May 2021 Giuseppe Cavaliere, Indeewara Perera, Anders Rahbek

The test statistics considered are of Kolmogorov-Smirnov and Cram\'{e}r-von Mises type, and are based on a certain empirical process marked by centered squared residuals.

valid

Bootstrap Inference for Hawkes and General Point Processes

no code implementations7 Apr 2021 Giuseppe Cavaliere, Ye Lu, Anders Rahbek, Jacob Stærk-Østergaard

Inference and testing in general point process models such as the Hawkes model is predominantly based on asymptotic approximations for likelihood-based estimators and tests.

Point Processes Time Series Analysis

Bootstrapping Non-Stationary Stochastic Volatility

no code implementations10 Jan 2021 H. Peter Boswijk, Giuseppe Cavaliere, Anders Rahbek, Iliyan Georgiev

Instead, we use the concept of `weak convergence in distribution' to develop and establish novel conditions for validity of the wild bootstrap, conditional on the volatility process.

Time Series Time Series Analysis

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