Search Results for author: Sophocles Mavroeidis

Found 11 papers, 0 papers with code

Common Trends and Long-Run Multipliers in Nonlinear Structural VARs

no code implementations8 Apr 2024 James A. Duffy, Sophocles Mavroeidis

While it is widely recognised that linear (structural) VARs may omit important features of economic time series, the use of nonlinear SVARs has to date been almost entirely confined to the modelling of stationary time series, because of a lack of understanding as to how common stochastic trends may be accommodated within nonlinear VAR models.

Time Series

Stationarity with Occasionally Binding Constraints

no code implementations12 Jul 2023 James A. Duffy, Sophocles Mavroeidis, Sam Wycherley

This paper studies a class of multivariate threshold autoregressive models, known as censored and kinked structural vector autoregressions (CKSVAR), which are notably able to accommodate series that are subject to occasionally binding constraints.

Cointegration with Occasionally Binding Constraints

no code implementations17 Nov 2022 James A. Duffy, Sophocles Mavroeidis, Sam Wycherley

In the literature on nonlinear cointegration, a long-standing open problem relates to how a (nonlinear) vector autoregression, which provides a unified description of the short- and long-run dynamics of a collection of time series, can generate 'nonlinear cointegration' in the profound sense of those series sharing common nonlinear stochastic trends.

Time Series Time Series Analysis

A Ridge-Regularised Jackknifed Anderson-Rubin Test

no code implementations7 Sep 2022 Max-Sebastian Dovì, Anders Bredahl Kock, Sophocles Mavroeidis

We consider hypothesis testing in instrumental variable regression models with few included exogenous covariates but many instruments -- possibly more than the number of observations.

Coherence without Rationality at the Zero Lower Bound

no code implementations3 Aug 2022 Guido Ascari, Sophocles Mavroeidis, Nigel McClung

Models with no rational expectations equilibria admit self-confirming equilibria involving the use of simple mis-specified forecasting models.

Friction

Empirical evidence on the Euler equation for investment in the US

no code implementations19 Jul 2021 Guido Ascari, Qazi Haque, Leandro M. Magnusson, Sophocles Mavroeidis

Is the typical specification of the Euler equation for investment employed in DSGE models consistent with aggregate macro data?

Identification at the Zero Lower Bound

no code implementations23 Mar 2021 Sophocles Mavroeidis

I show that the Zero Lower Bound (ZLB) on interest rates can be used to identify the causal effects of monetary policy.

A Powerful Subvector Anderson Rubin Test in Linear Instrumental Variables Regression with Conditional Heteroskedasticity

no code implementations21 Mar 2021 Patrik Guggenberger, Frank Kleibergen, Sophocles Mavroeidis

We show theoretically that the new test has asymptotic size bounded by the nominal size and document improved power relative to the AR/AR test in a wide array of Monte Carlo simulations when the covariance matrix is not too far from AKP.

Model Selection regression

Testing the effectiveness of unconventional monetary policy in Japan and the United States

no code implementations30 Dec 2020 Daisuke Ikeda, Shangshang Li, Sophocles Mavroeidis, Francesco Zanetti

Unconventional monetary policy (UMP) may make the effective lower bound (ELB) on the short-term interest rate irrelevant.

A Test for Kronecker Product Structure Covariance Matrix

no code implementations21 Oct 2020 Patrik Guggenberger, Frank Kleibergen, Sophocles Mavroeidis

We propose a test for a covariance matrix to have Kronecker Product Structure (KPS).

The unbearable lightness of equilibria in a low interest rate environment

no code implementations20 Jun 2020 Guido Ascari, Sophocles Mavroeidis

Structural models with no solution are incoherent, and those with multiple solutions are incomplete.

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