firms' market power in explaining inflation, and in favor of the "sellers' inflation" hypothesis (Weber and Wasner (2023 … changes in costs. Using a rich dataset on French manufacturing firms' balance sheets, we first estimate markups at the firm … energy prices, depending on average market power within sectors. We show that, in sectors with higher markups, prices …

opposite is the case with markups. If they increase in reaction to higher prices, they contribute to further price increases …

sectoral regional inflation rates and exhibits much less volatility than previous findings for the US indicate. We further … role in addition to the sector-specific factors, emphasising heterogeneity of inflation dynamics along different dimensions …

between inflation dynamics and rising market concentration. …