The new Keynesian wage Phillips curve (NKWPC) is derived from the standard new Keynesian Phillips curve (NKPC) that is examined and verified by many economists. The NKWPC model uses the structural wage equation to present the significant inverse relationship between wage inflation and the unemployment rate in the US economy with the significant assumption of a constant natural rate of unemployment. This study examines the NKWPC model using the generalized method of moments (GMM) and generalized autoregressive conditionally heteroskedastic-M (GARCH-M) to confirm the critical inverse relationship of the Phillips curve. In particular, this study tests the NKWPC separately targeting the official unemployment rate from Komlos (2019)’s real unemployment rate. The estimated results of this study support the NKWPC re-confirming a significant negative relationship between wage inflation and unemployment, using two different econometric techniques of GMM and GARCH-M. Moreover, it is apparent that they do not distinguish the official unemployment rate from the real unemployment rate. The Phillips curve is not just a unicorn, or rarity, in the economic world. It is a substantial indicator and still holds merit. This study yields to another lending support to the importance of the Phillips curve. / Includes bibliography. / Thesis (M.S.)--Florida Atlantic University, 2021. / FAU Electronic Theses and Dissertations Collection

Thesis (Ph. D.)--University of Oregon, 2000. / Typescript. Includes vita and abstract. Includes bibliographical references (leaves 143-145). Also available for download via the World Wide Web; free to University of Oregon users.

Thesis (Ph. D.)--University of Washington, 2008. / Vita. Includes bibliographical references (leaves 74-80).

Thesis (Ph. D.)--University of Hawaii at Manoa, 2005. / Includes bibliographical references (leaves 77-82).

Thesis advisor: Robert Murphy / A study of recent inflation dynamics in the G-7, this paper discusses a problem with the Phillips curve which arose during the Great Recession (2008-2011). We find that work with time-varying slope, expectation anchoring, and core inflation can correct for the under-predictions that develop in the Phillips Curve during the recession, improving its accuracy throughout the G-7. / Thesis (BA) — Boston College, 2012. / Submitted to: Boston College. College of Arts and Sciences. / Discipline: Economics Honors Program. / Discipline: Economics.

Thesis advisor: Robert Murphey / This paper demonstrates that a linear Phillips Curve has neither theoretical nor empirical justification. I first alter the traditional linear model specification to allow for non-linearity between inflation and unemployment. I show that these non-linear models produce greater R2’s than similar linear versions. I provide theoretical justification for the non-linear models and demonstrate why the theoretical reasoning for linear models is flawed. Finally, by introducing the natural rate of unemployment as a separate independent variable, I increase the explanatory power of the model. I allow the natural rate’s marginal effect on inflation to vary with time and suggest a theoretical framework that supports this final model. I conclude that non-linearity and therefore convexity between inflation and unemployment is the correct framework under any time period for Phillips Curve analysis and application. / Thesis (BA) — Boston College, 2017. / Submitted to: Boston College. College of Arts and Sciences. / Discipline: Departmental Honors. / Discipline: Economics.

This thesis investigates the cause and implications of the divergent inflationrates of the EMU-12 countries between the years 1998 and 2010. The EMUand the euro are put into a context with the classic theory of Optimum CurrencyArea, where the economic benefits and cost of joining a monetary unionis reviewed. The inflation divergence in the euro area is then described and investigated.Empirically, a Phillips Curve model is constructed in order to determineif the EMU-12 nations’ inflation rates are equally sensitive to changesin unemployment as the EMU average. This is done using a Panel Least Squareestimation for the EMU-12. Each nation is then tested separately against theEMU average. The result provides evidence that the EMU-12 nations’ inflationrates are not equally sensitive to changes in unemployment as the EMU average.The result is negative for the EMU-12 in an Optimum Currency Area context.Given the results, the EMU-12 cannot be considered to be an OptimumCurrency Area, at least not yet.

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This paper mainly focuses on one of the new specifications of Phillips curve family, the threshold Phillips curve. By estimating the threshold model using G7 plus Australia countries quarterly data, the threshold effect is confirmed only by U.S. and Canadian Phillips curves. No strong evidence for the threshold effect was found among other countries. Moreover, the estimation results for both standard and threshold Phillips curve model indicate weak trade-o relations between inflation and unemployment. Policy makers should review Phillips curve as a forecasting tool with extra caution. Future studies can focus on specific country's threshold effect testing with detailed explanation.

The purpose of the paper is to explore the relationship between inflation and unemployment in Germany during the period from 1970 to 2012. Through the methods of cointegration, dynamic OLS and an error correction model, this paper highlights that there is no short run negative relationship between inflation and unemployment, and consequently the short run Phillips curve is an unsuitable instrument for making political decisions. Furthermore, there is a long run relationship between inflation and unemployment, which can be explained with asymmetric nominal wage rigidities and resulting frictional growth. Resulting policy implications reflect the advantage of a permanent higher inflation target for Germany. Since the beginning of the European Monetary Union, Germany has been on average 0.5% under the permanent inflation target of the central bank. Therefore, by using fiscal policy, Germany can reduce permanent unemployment without missing the inflation target of the central bank. Finally, despite of variety of intensive changes in the macroeconomic situation and particularly through the establishment of the European Monetary Union, the CUSUM and CUSUMsq test reveal that the estimate holds validity over the entire observation period and has not changed since the beginning of the European Monetary Union.