In this article, the discussion on quality levels in the monetary search theoretical model is extended. By having quality levels endogenously determined, we found that whether money holders have quality preferences is crucial to the results. While the effect of the fraction of money on quality...

This paper proposes a tractable New Keynesian (NK) economy with endogenous adjustment in product quality that nests the canonical framework. Endogenous quality choice reduces the slope of the traditional NK Phillips curve and ampliffes the economy's response to productivity shocks. This leads to...

A constant price level facilitates cooperation among firms whereas steady inflation and deflation rates lower firms' ability to cooperate. In an experimental market with price competition we show that both inflation and deflation signicantly reduce cooperation compared to treatments with a...