Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/101126
Authors: 
Dixon, Huw
Tian, Kun
Year of Publication: 
2013
Series/Report no.: 
Cardiff Economics Working Papers E2013/1
Abstract: 
The monthly frequency of price-changes is a prominent feature of many studies of the CPI micro-data. In this paper, we see how much this ties down the behavior of price-setters ("firms") in steady-state in terms of the average length of price-spells across firms. We are able to divide an upper and lower bound for the mean duration of price-spells averaged across firms. We use the UK CPI data at the aggregate and sectoral level and find that the actual mean is about twice the theoretical minimum consistent with the observed frequency. We estimate the distribution using the hazard function and find that although the estimated hazard differs significantly from the Calvo distribution, the means and medians are similar. However, despite the micro differences, we find that the artificial Calvo distributions generated using the sectoral frequencies result in very similar impulse responses to the estimated hazards when used in the Smets-Wouters (2003) model.
Subjects: 
price-spell
steady state
duration
JEL: 
E50
Document Type: 
Working Paper

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