This paper introduces a New Keynesian multi-sector industry model that integrates firm heterogeneity, entry, and exit dynamics, while considering energy production from both fossil fuels and renewables. We investigate the effects of a sustained increase in fossil fuel prices on sectoral size,...

This paper provides a first empirical assessment of selected key indicators of the degree of competition in Austria in terms of industry concentration, firm-level markups and business dynamics. The analysis is based on firm-level data from 2008 to 2020 in collaboration with OECD Multiprod 2.0...