Arbeitspapier

A note on testing for purchasing power parity

We examine the asymptotic behavior of unit root tests against nonlinear alternatives of the exponential smooth transition type if the data is erroneously nonlinearly transformed. We show analytically and by a Monte Carlo study that the probability of rejecting the correct null of a random walk depends heavily on the type of data transformation.

Language
Englisch

Bibliographic citation
Series: Diskussionsbeitrag ; No. 471

Classification
Wirtschaft
Hypothesis Testing: General
Single Equation Models; Single Variables: Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
Foreign Exchange
Subject
Unit roots
Misspecification
Nonlinear data transformation
Purchasing Power Parity
Kaufkraftparität
Kointegration
Modellierung
Theorie

Event
Geistige Schöpfung
(who)
Heinen, Florian
Event
Veröffentlichung
(who)
Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät
(where)
Hannover
(when)
2011

Handle
Last update
10.03.2025, 11:43 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Heinen, Florian
  • Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät

Time of origin

  • 2011

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