References
Allinger, K., Huljak, I. (2022). Operating leverage and its importance during the Covid-19 pandemic, SUERF Policy Brief, No 256, Operating leverage and its importance during the Covid-19 pandemic
European Central Bank (2022). Box 1 Technical assumptions about interest rates, commodity prices and exchange rates, ECB staff macroeconomic projections for the euro area, https://www.ecb.europa.eu/pub/projections/html/ecb.projections202209_ecbstaff~3eafaaee1a.en.html#toc3
European Central Bank (2022). Energy price developments in and out of the COVID-19 pandemic – from commodity prices to consumer prices, ECB Economic Bulletin, Issue 4/2022. https://www.ecb.europa.eu/pub/economic-bulletin/articles/2022/html/ecb.ebart202204_01~7b32d31b29.en.html
Gu, L., Hackbarth, D., & Johnson, T. (2018). Inflexibility and stock returns. The Review of Financial Studies, 31(1), 278-321.)
European Central Bank (2015). The Bank for the Accounts of Companies Harmonized (BACH) database, Statistics Paper Series, No 11 / September 2015 https://www.ecb.europa.eu/pub/pdf/scpsps/ecbsp11.en.pdf
International Energy Agency (2022). World Energy Outlook 2022 https://www.iea.org/reports/world-energy-outlook-2022