Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/62877
Authors: 
Karanassou, Marika
Sala, Hector
Year of Publication: 
2008
Series/Report no.: 
Working Paper, Department of Economics, Queen Mary, University of London 623
Abstract: 
In this paper we analyse a new Phillips curve (NPC) model and demonstrate that (i) frictional growth, i.e. the interplay of wage-staggering and money growth, generates a nonvertical NPC in the long-run, and (ii) the Phillips curve (PC) shifts with productivity growth. On this basis we estimate a dynamic system of macrolabour equations to evaluate the slope of the PC and explain the evolution of inflation and unemployment in the US from 1970 to 2006. Since our empirical methodology relies heavily on impulse response functions, it represents a synthesis of the traditional structural modelling and (structural) vector autoregressions (VARs). We find that the PC is downward-sloping with a slope of -3.58 in the long-run. Furthermore, during the stagflating 70s, the productivity slowdown contributed substantially to the increases in both unemployment and inflation, while the monetary expansion was quite ineffective and led mainly to higher inflation. Finally, the monetary expansion and productivity speedup of the roaring 90s were both responsible for the significant lowering of the unemployment rate.
Subjects: 
New Phillips curve
Frictional growth
Productivity growth
Stagflating seventies
Roaring nineties
Impulse response functions
JEL: 
E24
E31
Document Type: 
Working Paper

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