Market Polarization and the Phillips Curve

نویسندگان

چکیده

The Phillips curve has flattened out over the last decades. We develop a model that rationalizes this phenomenon as result of observed increase in polarization many industries, process along which few top firms gain an increasing share their industry market. In model, compete la Bertrand and there is exit endogenous market entry, well optimal up downgrading technology. Firms with larger shares find to dampen response price changes, thus cushioning shocks marginal costs through countercyclical markups. Thus, regardless its causes (technology, competition, barriers etc.), recent industries emerges key factor explaining muted responses inflation movements output gap witnessed recently.

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ژورنال

عنوان ژورنال: Social Science Research Network

سال: 2021

ISSN: ['1556-5068']

DOI: https://doi.org/10.2139/ssrn.3781594