The quest for prosperity without inflation

The Quest for Prosperity without Inflation

In recent years, activist monetary policy rules responding to inflation and the level of economic activity have been advanced as a means of achieving effective output stabilization without inflation. Advocates of such policies suggest that their flexibility may yield substantial stabilization benefits while avoiding the excesses of overzealous discretionary fine-tuning such as is thought to cha...

The Quest for Prosperity Without Inflation

In recent years, activist monetary policy rules responding to inflation and the level of economic activity have been advanced as a means of achieving effective output stabilization without inflation. Advocates of such policies suggest that their flexibility may yield substantial stabilization benefits while avoiding the excesses of overzealous discretionary fine-tuning such as is thought to cha...

Topological Inflation, without the Topology

We extend the ‘topological inflation’ of Linde and Vilenkin to unstable monopoles. This allows the inflation to terminate; not inflating eternally, as topological inflation demands. Such a situation happens naturally in some Grand Unified Theories — such as supersymmetric flipped-SU(5). We analyse analytically the dynamics of inflating monopoles to determine the equations governing the expansio...

Inflation without slow roll

We draw attention to the possibility that inflation (i.e. accelerated expansion) might continue after the end of slow roll, during a period of fast oscillations of the inflaton field φ. This phenomenon takes place when a mild non-convexity inequality is satisfied by the potential V (φ). The presence of such a period of φ-oscillation-driven inflation can substantially modify reheating scenarios....

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