Knowledge@HEC

HEC Paris associate professor of marketing, Anne-Sophie Chaxel , describes her recent study on truth distortion in the COVID-19 era. Using marketing techniques like the Stepwise Evolution of Preferences Chaxel and fellow academic Sandra Laporte, used such tools to see how people respond to controversial statements linked to the virus – when they’re delivered by popular personalities. They enrolled 1,400 American workers and asked them to respond to allegations that COVID-19 is man-made and that hydroxychloroquine can eliminate the symptoms. They discovered that the more controversial these statements are, the more people seem to adhere to them…

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For the 32nd Olympic Games, one of South Africa’s modern icons, 800-meter champion Caster Semenya, will not be making the trip northwards. She has been barred from the Tokyo Olympics where she had hoped to defend a crown she won in 2012 and 2016. We discuss with Associate Professor Matteo Winkler the legal, sociological and ethical implications of this legal decision by the Court of Arbitration for Sport, or CAS. It targets women athletes like Semenya who are born with naturally high levels of testosterone, what’s called “hyper-androgyny”. Winkler and fellow academic, Doctor Giovanna Gilleri, published a 40-page study deconstructing the controversy and what it reflects on the law, sports politics, transgender sexuality… and the West’s sometimes uncomfortable position on femininity in the Global South. 

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  A year after the EU’s Court of Justice ruled that none of its member states can outlaw the sale of the non-psychotic compound cannabidiol (CBD), France’s highest appeals court overturned a decision banning its sale on French territory. Associate Professor Daniel Martinez analyses the June 26 decision in the light of his long research on cannabis-related questions in Colorado.  

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Il y a un mois, Amazon fait un coup d'éclat spectaculaire, en annonçant l’achat du studio hollywoodien MGM pour plus de sept milliards d’euros. Quelles conséquences pour le monde du cinéma et son économie ? Directeur du MS Médias, Arts et Création à HEC Paris, Thomas Paris analyse la portée de cet événement. Il a récemment cosigné avec Philippe Chantepie « L’économie du cinéma », publié par La Découverte. 

Ce podcast a été enregistré le 9 juin 2021. 

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A large body of empirical evidence points to bias in access to credit. This is stigmatizing women, ethnic minorities and consumers from certain geographical zones. Nowadays, algorithms and machine-learning techniques could be unintentionally exacerbating this bias. HEC Associate Dean for Research, Christophe Pérignon, describes these challenges - and new techniques he has developed to reduce bias impact. These techniques can be applied in banking, insurance, hiring, fraud detection and justice.

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An unknown advertising agency calling itself Fazze last month offered thousands of US dollars to social media influencers last month to smear the Pfizer vaccine. Two prominent influencers in Germany and France, respectively, refused to share its allegations with their hundreds of thousands of followers. 

HEC Assistant Professor, Andreas Lanz, analyzes this new online affair in the light of his extensive research on influencer markets. He called on both governments and major content networks like Facebook, Instagram and Youtube to “play their part” in ending such disinformation campaigns.

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 The forced landing of a Ryanair airplane and the subsequent arrest of two Belarusians on May 23 has sparked a major diplomatic crisis between EU and US authorities and the Minsk government, as well as sanctions. But just how effective are these measures? HEC Professor Alberto Alemanno shares his analysis of the stand-off and its reflections on EU foreign policy.  Recorded on June 1, 2021.

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 Why do non-fungible tokens (NFTs) have the potential to disrupt the art market? This new investment phenomenon came to light when an animated GIF of Nyan Cat, which is a meme of a flying pop-tart cat, sold for more than $500,000 US Dollars. Shortly after, musician Grimes sold her digital art for more than $6 million US Dollars. HEC Paris Associate professor of finance Christophe Spaenjers, explains how NFTs work and why they have become such big news for the investment world. 

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On March 31, 2021, French president Emmanuel Macron announced a four-week national lockdown, throwing the country into a similar situation slightly over a year ago. This time though, not all businesses are affected in the same way. HEC Paris Associate Professor of Economics Tomasz Michalski analyzes the possible microeconomic impact of the different lockdown strategies, and its eventual long-term effects. 

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Cinq ans après la signature de l'Accord de Paris sur le climat et alors qu'en France, un projet de loi Climat très contesté arrive en débat à l’Assemblée nationale, la communauté internationale ne semble toujours pas être à la hauteur du défi climatique. Pour dresser un état des lieux des solutions aujourd'hui sur la table pour réduire les émissions mondiales de gaz à effet de serre et contenir l’élévation des températures, nous avons interrogé Arnaud Van Waeyenberge, Professeur associé en droit à HEC Paris, dont une recherche récente porte sur l'efficacité des marchés carbone en tant qu'instruments de régulation pour lutter contre le changement climatique.

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