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Non-Linearities and Unit Roots in G7 Macroeconomic Variables
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Yunus Aksoy
Veröffentlicht/Copyright:
12. Februar 2008
We carry out a meta-analysis on the frequency of unit-roots in macroeconomic time series with a dataset covering 249 variables for the G7 countries. We use linear tests and the three popular non-linear tests (TAR, ESTAR and Markov Switching). In general, the evidence in favour of the random walk hypothesis is weaker than in previous studies. This evidence against unit roots is stronger for real and nominal asset prices. Our results show that rejection of the null of a unit root in the macro dataset is substantially higher for non-linear than linear models. Finally, the results from a Monte Carlo experiment show that rejection frequencies are very close to the nominal size of the test when the DGP is a linear unit root process. This leads us to reject the hypothesis that overfitting deterministic components explains the higher rejection frequencies of nonlinear tests.
Published Online: 2008-2-12
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Artikel in diesem Heft
- Topics Article
- The Importance of Industrial Policy in Quality-Ladder Growth Models
- The Evolution of International Output Differences (1970-2000): From Factors to Productivity
- Non-Linearities and Unit Roots in G7 Macroeconomic Variables
- Mitigating the Growth-Effects of Inflation through Financial Development
- The Dynamics of European Inflation Expectations
- Target Saving in an Overlapping Generations Model
- Inequality, Volatility and Labour Market Efficiency
- Expected Equity Returns and the Demand for Money
- Forecasting with DSGE Models: The Role of Nonlinearities
- Job Reallocation, Unemployment and Hours in a New Keynesian Model
- Consolidation of Student Loan Repayments and Default Incentives
- Advent of Industrial Mass Production: Three Stages of Economic Development
- The Japanese Depression in the Interwar Period: A General Equilibrium Analysis
- Determinants of Bilateral Remittance Flows
- Cyclical Behavior of Unemployment and Job Vacancies: A Comparison between Canada and the United States
- Economic and Socio-Political Determinants of de Facto Monetary Institutions and Inflationary Outcomes
- On Equilibrium Determinacy in New Keynesian Models with Staggered Wage and Price Setting
- Contributions Article
- Growth-Led Exports: Implications for the Cross-Country Effects of Shocks to Potential Output
- Monetary Policy and Fiscal Rules
- Choosing Longevity with Overlapping Generations: To Be or Not to Be in Diamond's Model
- Nonlinear Taylor Rules and Asymmetric Preferences in Central Banking: Evidence from the United Kingdom and the United States
- Baumol's Diseases: A Macroeconomic Perspective
- Employment Growth in the American Urban Hierarchy: Long Live Distance
- Endogenous Persistence and the Performance of Inertial Targeting Rules
- Unemployment, Imperfect Risk Sharing, and the Monetary Business Cycle
- Technological Progress and the Urbanization Process
- Convergence by Parts
- Estimating Returns to Schooling from State-Level Data: A Macro-Mincerian Approach
- Great Moderation(s) and US Interest Rates: Unconditional Evidence
- Advances Article
- Downward Nominal Wage Rigidity in the OECD
- Monetary Policy under Downward Nominal Wage Rigidity
- Africa: Is Aid an Answer?
