Airbus. (2020, February 13). Airbus Annual Report 2019 . Retrieved from
https://annualreport.airbus.com/pdf/Airbus%20Annual%20Report%202019.pdf Alternative Airlines. (2020, September 13). European Airlines . Retrieved from
https://www.alternativeairlines.com/european-airlines
anna.aero. (2020, July 13). Wizz Air Abu Dhabi reveals first 6 routes, including Middle East – Africa service. Retrieved from anna.aero: https://www.anna.aero/2020/07/13/wizz-air-abu-dhabi-reveals-first-6-routes-including-middle-east-africa-service/
Baker, M. (2020, June 8). 9 Future of Work Trends Post-COVID-19. Retrieved from Gartner:
https://www.gartner.com/smarterwithgartner/9-future-of-work-trends-post-covid-19/
Barchart. (2020, August 26). ICE EUA Futures Dec '20 (CKZ20). Retrieved from https://www.barchart.com/futures/quotes/CKZ20/interactive-chart
BBC. (2020, March 31). Coronavirus: Stock markets suffer worst quarter since 1987. Retrieved from https://www.bbc.com/news/business-52113841
BBC News. (2019, August 7). British Airways passengers stranded after IT failures. Retrieved from https://www.bbc.com/news/uk-49261497
Becken, S., & Pant, P. (2019, November 29). Airline initiatives to reduce climate impact. Retrieved from https://www.griffith.edu.au/__data/assets/pdf_file/0028/926506/Airline-initiatives-to-reduce-climate-impact.pdf
Blond, J. L. (2020, January 29). Why Germans are flying less . Retrieved from BBC:
https://www.bbc.com/worklife/article/20200128-why-germans-are-flying-less Boeing. (2020, September 12). Boeing in Brief. Retrieved from
https://www.boeing.com/company/general-info/
Bomberg, L. (2019, April 22). Lufthansa jager Wizz Air . Retrieved from Trendsandtravel:
http://trendsandtravel.dk/lufthansa-jager-wizz-air/
CAPA. (2020, March). European airlines with best liquidity as a share of 2019 revenue. Retrieved from Statista:
https://www-statista-com.esc-web.lib.cbs.dk:8443/statistics/1104441/liquidity-airline-groups-europe-covid19/
CAPA, anna.aero, OAG Schedules Analyser, & Statista. (2020). Market share of low-cost carriers in Europe from 2009 to 2019. Retrieved from Statista:
https://www-statista-com.esc-web.lib.cbs.dk:8443/statistics/1094759/largest-airlines-in-europe-based-on-passengers/
ch-aviation. (2014). Lufthansa sought Wizz Air takeover under Franz administration. Retrieved from ch-aviation: https://www.ch-aviation.com/portal/news/31386-lufthansa-sought-wizz-air-takeover-under-franz-administration
Ciesluk, K. (2019, October 8). Retrieved from https://simpleflying.com/gdp-driver-air-travel-demand/
Ciesluk, K. (2020, April 12). Retrieved from https://simpleflying.com/how-aircraft-leasing-works/
Cirium. (2020). HSBC expects European airline consolidation amid Covid-19 crisis . Retrieved from FlightGlobal: https://www.flightglobal.com/strategy/hsbc-expects-european-airline-consolidation-amid-covid-19-crisis/137774.article
Cogley, M. (2020, August 2). BA expects to pay just £20m for data breach . Retrieved from The Telegraph: https://www.telegraph.co.uk/technology/2020/08/02/ba-expects-pay-just-20m-data-breach/
Cokasova, A. n.d.). PASSENGERS’ CHOICE BETWEEN HIGH-SPEED TRAIN AND AIR TRANSPORT . Retrieved from
https://www.eurocontrol.fr/Newsletter/2005/March/Recent_Documents/ICRAT/ID%2012 8.pdf
Curley, A., Garber, R., Krishnan, V., & Tellez, J. (2020, August 13). For corporate travel, a long recovery ahead. Retrieved from McKinsey: https://www.mckinsey.com/industries/travel- logistics-and-transport-infrastructure/our-insights/for-corporate-travel-a-long-recovery-ahead
Damodaran, A. (5. January 2020A). Levered and Unlevered Betas by Industry. Retrieved from http://www.stern.nyu.edu/~adamodar/pc/datasets/betaEurope.xls
Damodaran, A. (2020B, January 4). Ratings, Interest Coverage Ratios and Default Spread.
Retrieved from
http://pages.stern.nyu.edu/~adamodar/New_Home_Page/datafile/ratings.htm Damodaran, A. (2020C, January 5). Enterprise value multiples. Retrieved from
http://www.stern.nyu.edu/~adamodar/pc/datasets/vebitdaEurope.xls
Damodaran, A. (2020D, January 5). Market value (equity and enterprise value) as multiple of book value (equity and invested capital). Retrieved from Market value (equity and enterprise value) as multiple of book value (equity and invested capital)
Deloitte. (2020, January). International Tax Hungary Highlights 2020. Retrieved from https://www2.deloitte.com/content/dam/Deloitte/global/Documents/Tax/dttl-tax-hungaryhighlights-2020.pdf
Diagilev, E. (2019, December 17). The Most Disruptive Aviation Strikes In 2019. Retrieved from Skycop: https://www.skycop.com/airline-strikes/the-most-disruptive-aviation-strikes-in-2019/
Diagilev, E. (2020, January 28). 10 Largest Airlines in Europe by Passenger Numbers. Retrieved from Skycop: https://www.skycop.com/fun-facts/10-largest-airlines-in-europe-by-passenger-numbers/
Easyjet. (2019, November 18). 2019 Annual report and accounts. Retrieved from https://corporate.easyjet.com/~/media/Files/E/Easyjet/pdf/investors/results-centre/2019/eas040-annual-report-2019-web.pdf
EasyJet. (2020A). Retrieved from https://corporate.easyjet.com/about/our-journey Easyjet. (2020B, September 12). Our fleet. Retrieved from
https://www.easyjet.com/en/help/boarding-and-flying/our-fleet
Easyjet. (2020C). Our people. Retrieved from https://corporate.easyjet.com/corporate-responsibility/our-people
ETF/ITF. (2018, December 13). Update on industrial relations at Ryanair. Retrieved from
https://www.etf-europe.org/wp-content/uploads/2018/12/ITF-ETF-Report_Progress_at_Ryanair_131218.pdf.
European Commission. (2020, August 29). Current speed limit policies . Retrieved from
https://ec.europa.eu/transport/road_safety/specialist/knowledge/speed/speed_limits/cur rent_speed_limit_policies_en
Eurostat. (2019, July 10). The EU’s population projected up to 2100 . Retrieved from https://ec.europa.eu/eurostat/web/products-eurostat-news/-/DDN-20190710-1
EX-YU Aviation News. (2018, December 10). Wizz Air: Zagreb Airport and coast too expensive . Retrieved from https://www.exyuaviation.com/2018/12/wizz-air-zagreb-airport-and-coast-too.html
Financial Times. (2020A). Retrieved from
https://markets.ft.com/data/equities/tearsheet/summary?s=WIZZ:LSE Financial Times. (2020B, September 25). Wizz Air Holdings PLC. Retrieved from
https://markets.ft.com/data/equities/tearsheet/summary?s=WIZZ:LSE
Finlay, M. (2020A, April 14). Wizz Air Cuts 1,000 Members Of Staff. Retrieved from Simple Flying:
https://simpleflying.com/wizz-air-staff-cuts/
Finlay, M. (2020B, January 14). Barcelona’s Mayor Wants To Ban Flights To Madrid. Retrieved from Simple Flying: https://simpleflying.com/barcelonas-mayor-wants-to-ban-flights-to-madrid/
Fitch. (2020, April 10). Fitch Downgrades Wizz Air to 'BBB-'; Maintains Negative Outlook. Retrieved from https://www.fitchratings.com/research/corporate-finance/fitch-downgrades-wizz-air-to-bbb-maintains-negative-outlook-10-04-2020
Flight Airline Business, Flightglobal, & Cirium. (2020, April). Leading airlines in Europe in 2019, based on number of passengers. Retrieved from
https://www-statista-com.esc-web.lib.cbs.dk:8443/statistics/1094759/largest-airlines-in-europe-based-on-passengers/
Flixbus. (2020, August 29). About FlixMobility. Retrieved from https://global.flixbus.com/company/about-flixbus
Garcia, M. (2020, February 13). Airbus Buys Bombardier Out Of Commercial Aviation For $591 Million. Retrieved from Forbes:
https://www.forbes.com/sites/marisagarcia/2020/02/13/airbus-buys-bombardier-out-of-commercial-aviation-for-591-million/#b07433d1783b
Gategroup Holding. (2017, February). Global market share of the airline catering industry in 2016, by catering service provider* . Retrieved from Statista: https://www-statista-com.esc- web.lib.cbs.dk:8443/statistics/764159/global-market-share-of-the-airline-catering-industry-by-service-provider/
Global Flight. (2020, September 11). Listing FFPs. Retrieved from http://www.globalflight.net/resources/listing-ffps/
Global Onboard Partners. (2013, January). Retrieved from
https://www.google.dk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjZ7JP a26frAhUQAhAIHe4WBAkQFjABegQIBRAB&url=https%3A%2F%2Fbook.wizzair.com%2Fstat ic%2Fdownloads%2FWizz_Advertising_kit_JAN13_version_1.pdf&usg=AOvVaw35Xc3Bl_-Tm-ZxwEOjvr6B
Good, R. (2020, April 30). Coronavirus: World economy 'unlikely to recover to pre-pandemic levels before 2022' . Retrieved from Euronews: The Dutch banking group ING does not expect the world economy to recover before 2022, as the earliest.
Gray, S., & Corcoran, K. (2020, August 12). The UK is in an official COVID-19 recession after GDP plunged 20.4% in Q2. Retrieved from https://www.businessinsider.com/uk-entered-recession-for-first-time-in-11-years-bbc-2020-8?r=US&IR=T
Halasz , S., & Picheta, R. (2020, July 6). Struggling Austrian Airlines swaps planes for trains.
Retrieved from https://edition.cnn.com/travel/article/austrian-airlines-flight-train-service-intl/index.html
Hargreaves Lansdown. (2020A, July 14). FTSE 250: Market overview. Retrieved from Hargreaves Lansdown: https://www.hl.co.uk/shares/stock-market-summary/ftse-250?page=3
Hargreaves Lansdown. (2020B, October 1). Wizz Air Holdings plc Share charts. Retrieved from https://www.hl.co.uk/shares/shares-search-results/w/wizz-air-holdings-plc-ordinary-0.01p/share-charts
HungaroControl. (2020). About Us. Retrieved from https://en.hungarocontrol.hu/about-us IATA. (2019, December). Worldwide Airport Slots. Retrieved from FactSheets:
https://www.iata.org/en/iata-repository/pressroom/fact-sheets/fact-sheet---airport-slots/
IATA. (2020A, August 13). European COVID-19 Impacts Continue to Worsen as Border Restrictions Remain. Retrieved from https://www.iata.org/en/pressroom/pr/2020-08-13-01/
IATA. (2020B). Jet Fuel Price Monitor. Retrieved from
https://www.iata.org/en/publications/economics/fuel-monitor/
IATA. (2020C, March 13). IATA Welcomes EU Suspension of Slot Use Rules. Retrieved from IATA Welcomes EU Suspension of Slot Use Rules
ICAO. (2020). List of Low-Cost-Carriers (LCCs). Retrieved from https://www.icao.int/sustainability/Documents/LCC-List.pdf
Infront. (2020, September 25). Levered/Unlevered Beta of Wizz Air Holdings Plc. Retrieved from Infront: https://www.infrontanalytics.com/fe-EN/40505EX/Wizz-Air-Holdings-Plc/Beta Janzen, J. (2020, April 3). Air Traffic Control (ATC) Strikes Are Destroying Air Traffic and Economies
Across Europe. Retrieved from Airlines for Europe : https://a4e.eu/publications/air-traffic-control-atc-strikes-are-destroying-air-traffic-and-economies-across-europe/
Jones, L., Palumbo, D., & Brown, D. (2020, June 30). Coronavirus: A visual guide to the economic impact. Retrieved from BBC News: https://www.bbc.com/news/business-51706225 Lenoir, N. (2014, July 17). Cycles in the air transportation industry . Retrieved from LEEA - ENAC -
Laboratoire d'Economie et d'Econométrie de l'Aérien: https://hal-enac.archives-ouvertes.fr/hal-01022240
Liao, S. (2020, April 25). Boeing terminates $4.2 billion deal with Embraer. Retrieved from CNN:
https://edition.cnn.com/2020/04/25/business/boeing-embraer-termination/index.html London Stock Exchange. (2015). Retrieved from London Stock Exchange today welcomed Wizz Air
Holdings PLC : https://www.lseg.com/markets-products-and-services/our-markets/london-
stock-exchange/equities-markets/raising-equity-finance/market-open-ceremony/welcome-stories/london-stock-exchange-today-welcomed-wizz-air-holdings-plc Maceda, C. (2020). ZAWYA. Retrieved from Wizz Air CEO expects consolidation in airline industry
in 6-12 months:
https://www.zawya.com/mena/en/business/story/Wizz_Air_CEO_expects_consolidation_i n_airline_industry_in_612_months-ZAWYA20200603095742/
Magnusson, A. (2018, June 14). How József Váradi Made Wizz Air Into One of Europe’s Biggest LCCs. Retrieved from APEX: https://apex.aero/jozsef-varadi-chief-executive-officer-wizz-air McGuire, C. (2018, June 27). NOT SO HANDY Wizz Air follows Ryanair by charging passengers for
carry-on luggage suitcases. Retrieved from The Sun:
https://www.thesun.co.uk/travel/6639473/wizz-air-ryanair-charging-passengers-cabin-luggage/
Momondo. (2020). Retrieved from https://www.momondo.com/
Moody's. (2016, December 21). RATING METHODOLOGY: FINANCIAL STATEMENT ADJUSTMENTS IN THE ANALYSIS OF NON-FINANCIAL CORPORATIONS. Retrieved from https://itfa.org/wp-content/uploads/2017/01/Global-Standard-Adjustments-December-2016-1.pdf
Moody's. (2020, March 19). Moody's places Wizz Air's Baa3 LT issuer rating on review for
downgrade. Retrieved from fra https://www.moodys.com/research/Moodys-places-Wizz-Airs-Baa3-LT-issuer-rating-on-review--PR_420405
OECD. (2020A, August 14). Household spending. Retrieved from https://data.oecd.org/hha/household-spending.htm OECD. (2020B, October 1). Nominal GDP forecast. Retrieved from
https://data.oecd.org/gdp/nominal-gdp-forecast.htm#indicator-chart
O’Connell, D., & Collingridge, J. (2016, February 14). Oman breaks Heathrow record with deal for slots. Retrieved from The Sunday Times: https://www.thetimes.co.uk/article/oman-breaks-heathrow-record-with-deal-for-slots-5mhdlzs23mn
Otley, T. (2020, May 21). These airlines have received a bailout. Retrieved from Business Traveller:
https://www.businesstraveller.com/features/these-airlines-have-received-a-bailout/
Petersen, C., Plenborg, T., & Kinserdal, F. (2017). Financial Statement Analysis: Valuation, Credit Analysis, Executive Compensation. Fagbokforlaget.
PwC. (2016A, September). Economic Impact of Air Traffic Control Strikes in Europe. PwC.
PwC. (2016B, May 3). IFRS 16, 'Leases' - Implications for the airlines industry - PwC In the Spotlight.
Retrieved from
https://inform.pwc.com/inform2/show?action=informContent&id=1659221504109175 Reed, D. (2020, May 14). The Data Say Fear Of COVID-19 Will Hamper The Travel Industry’s
Recovery For Years. Retrieved from Forbes:
https://www.forbes.com/sites/danielreed/2020/05/14/the-data-say-the-fear-of-covid-19--will-hamper-the-travel-industrys-recovery-for-years/#664fd220103f
Reuters. (2018, May 22). Lufthansa to offer Economy 'Light' fare on North American routes.
Retrieved from https://www.reuters.com/article/us-lufthansa-fares/lufthansa-to-offer-economy-light-fare-on-north-american-routes-idUSKCN1IN19Z
Reuters. (2020A, January 14). Factbox: European airline collapses since 2017. Retrieved from Reuters: https://www.reuters.com/article/us-europe-airlines-collapse-factbox-idUSKBN1ZD1I3
Reuters. (2020B, July 13). Fighting breaks out on Azerbaijan-Armenia border, several dead.
Retrieved from https://www.reuters.com/article/us-azerbaijan-armenia-conflict/fighting-breaks-out-on-azerbaijan-armenia-border-several-dead-idUSKCN24E12B
Reuters. (2020C, September 25). Wizz Air Holdings PLC. Retrieved from https://www.reuters.com/companies/WIZZ.L/key-metrics
Ryanair. (2018, July 24). IAG, Ryanair, Easyjet and Wizz Air Submit French ATC Strikes Complaint to European Commission. Retrieved from https://corporate.ryanair.com/news/iag-ryanair-easyjet-and-wizz-air-submit-french-atc-strikes-complaint-to-european-commission/
Ryanair. (2019, July 26). Annual Report 2019. Retrieved from https://investor.ryanair.com/wp-content/uploads/2019/07/Ryanair-2019-Annual-Report.pdf
Ryanair. (2020A). History of Ryanair. Retrieved from https://corporate.ryanair.com/about-us/history-of-ryanair/
Ryanair. (2020B, September 12). Ryanair Fleet. Retrieved from https://corporate.ryanair.com/ryanair-fleet/
Ryanair. (2020C). Annual Report 2020. Retrieved from https://investor.ryanair.com/wp-content/uploads/2020/07/Ryanair-Holdings-plc-Annual-Report-FY20.pdf
Sammut-Bonnici, T., & Galea, D. (2015). PEST analysis. John Wiley & Sons, Ltd.
Skapinker, M. (2020, June 23). What 9/11 can teach us about aviation’s post-coronavirus future . Retrieved from Financial Times: https://www.ft.com/content/8c4e90f4-c61e-447d-a3ef-78d29e4cf56d
Spaeth, A. (2020, May 14). Coronavirus banishes planes to the desert. Retrieved from https://www.dw.com/en/coronavirus-banishes-planes-to-the-desert/a-53433298 Spero, J. (2019, March 11). European air traffic control ‘bleeding from every wound’. Retrieved
from Financial Times: https://www.ft.com/content/d4cbf140-40de-11e9-b896-fe36ec32aece
Statista. (2020). Key figures of the four largest aircraft manufacturers worldwide in FY 2019 . Retrieved from Statista:
https://www-statista-com.esc- web.lib.cbs.dk:8443/statistics/269920/key-figures-of-the-four-largest-aircraft-manufacturers/
Turvill, W. (2019). Ryanair boss: Just five airlines will survive as fuel prices rise while Brexit and summer of strikes loom. Retrieved from DailyMail:
https://www.dailymail.co.uk/money/markets/article-6790599/Ryanair-boss-Just-5-airlines-survive-fuel-prices-rise-summer-strikes-looms.html?ito=1490
Webber, T. (2012, February 20). Scale matters in aviation. Retrieved from The Sydney Morning Herald: https://www.smh.com.au/business/scale-matters-in-aviation-20120220-1tit8.html Wizz Air. (2016). Annual report and accounts 2016. Retrieved from
https://wizzair.com/static/docs/default-source/downloadable-documents/corporate-
website-transfer-documents/annual-reports/wizz_air_holdings_plc_annual_report_and_accounts_2016_2abef4a7.pdf Wizz Air. (2019A, May 30). Strategy. Retrieved from Wizz Air:
https://wizzair.com/en-gb/information-and-services/about-us/about-wizz
Wizz Air. (2019B, May 30). Annual report and accounts 2019. Retrieved from
https://wizzair.com/static/docs/default-source/downloadable-documents/corporate-website-transfer-documents/annual-reports/ar-f19-final-(web-indexed)_6afd66af.pdf Wizz Air. (2020A, June 5). Annual report and accounts 2020, s. 8.
Wizz Air. (2020B). About WIZZ. Retrieved from Wizz Air: https://wizzair.com/en-gb/information-and-services/about-us/about-wizz
Wizz Air. (2020C). Company Information. Retrieved from Wizz Air: https://wizzair.com/en-gb/information-and-services/about-us/company-information
Wizz Air. (2020D). Retrieved from Map: https://wizzair.com/en-gb/flights/map
Wizz Air. (2020D, November 29). WIZZ AIR OPENS ITS NEW € 30 MILLION TRAINING CENTRE.
Retrieved from https://wizzair.com/en-gb/information-and-services/about-us/news/2018/11/29/wizz-air-opens-its-new-30-million-training-centre Wizz Air. (2020E). WIZZ Discount Club - Fly more! Live more! Retrieved from
https://wizzair.com/en-gb/information-and-services/wizz-services/wizz-discount-club Zhang, B. (2016, March 9). Boeing just gave United a massive discount. Retrieved from Business
Insider: https://www.businessinsider.com/boeing-took-some-extraordinary-measures-to-crush-its-canadian-opposition-2016-3?r=US&IR=T