Arbeitspapier

A Note on the Pooling of Individual PANIC Unit Root Tests

One of the most cited studies in recent years within the field of nonstationary panel data analysis is that of Bai and Ng (2004, A PANIC Attack on Unit Roots and Cointegration. Econometrica 72, 1127-1177), in which the authors propose PANIC, a new framework for analyzing the nonstationarity of panels with idiosyncratic and common components. This paper shows that, although valid at the level of the individual unit, PANIC is not an asymptotically valid framework for pooling tests at the aggregate panel level.

Language
Englisch

Bibliographic citation
Series: Working Paper ; No. 2007:5

Classification
Wirtschaft
Single Equation Models; Single Variables: Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions
Single Equation Models; Single Variables: Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
Single Equation Models; Single Variables: Panel Data Models; Spatio-temporal Models
Subject
Panel Unit Root Test
Pooling
Common Factor
Cross-Sectional Dependence

Event
Geistige Schöpfung
(who)
Westerlund, Joakim
Event
Veröffentlichung
(who)
Lund University, School of Economics and Management, Department of Economics
(where)
Lund
(when)
2007

Handle
Last update
10.03.2025, 11:45 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Westerlund, Joakim
  • Lund University, School of Economics and Management, Department of Economics

Time of origin

  • 2007

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