Activist Short Sellers vs. Financial Analysts: Competitive Claims of Expertise
The methods and aims of activist short sellers and financial analysts are often at odds. In a highly competitive environment, there is a battle for narrative authority, with short sellers often criticizing analysts. New research examines this struggle, and how — or if — analysts respond to challenges.
HEC Research Points to AI Solutions to Prevent Miscarriages of Justice
In the United Kingdom, more than 700 Post Office workers were wrongfully convicted of theft, fraud and false accounting between 2000 and 2014. That was the result of a fault in Horizon, a Fujitsu computer system used by the UK Post Office. How can AI solutions be developed to detect and prevent such intelligent anomalies? To answer these questions and more we have turned to HEC Professor of Accounting and Management Control, Aluna Wang. She is also chairholder at Hi!PARIS Center on Data Analytics and Artificial Intelligence.
HEC Paris Trains Future Professors
Our PhD Students Got Talent
This special issue aims to show the excellence and diversity of the research conducted by HEC Paris PhD candidates and alumni. You will find a selection of cutting-edge findings, answering crucial questions such as: Is AI a threat to human creativity? Should we listen to the Wall Street gurus? How to better manage one’s promotion? How much do we value our private data? What are ambiguity and risk attitudes? How bad is the mere presence of a phone? HEC Paris PhD Program, headed by finance professor Johan Hombert, supports its students throughout their thesis writing and job placement in the best universities and business schools, such as the MIT, Wharton and Harvard Business School. Most PhD alumni continue to collaborate with professors at HEC, thanks to the strong relationships they have developed during their journey.
The Role of Citizens in Managing a Crisis by Including Migrants
The year 2015 marked a cesura in Europe’s recent history to “the largest migration movement of people that Europe has seen since 1945” (Financial Times, 2015). Private citizens quickly and efficiently organized to assist the settling of 20,000 of refugees crossing borders every day in Germany, compensating for the state’s initial inability to handle the situation (The Economist, 2015). Researchers have investigated the early organization that led to the quick response of those citizens to manage a crisis. In this interview, David Twardowski Crvelin, Assistant Professor of Accounting and Management Control at HEC Paris, discusses the conditions that help the inclusion of migrants in business and society.
Yes, Social Entrepreneurship Training Works
Social entrepreneurship is characterized by a deep commitment to a social cause and the desire to develop new business models with economic, social, and ecological impacts. But can people be trained to become better at social entrepreneurship? HEC Paris Professors Thomas Åstebro and Florian Hoos found that social entrepreneurship training works, but only if carefully designed.
Is Big Pharma Transparent Enough?
Are the efforts of transparency by the pharmaceutical industry sufficient to regain the trust of the world population? The COVID-19 pandemic has taken the world hostage since March 2020, yet there is hope that this health crisis may be vanquished this year, thanks to the approved vaccines by Pfizer/BioNtech and Moderna. While there are ongoing campaigns encouraging vaccination, there are nonetheless doubts about these newly-developed vaccines. This reticence compromises the effectiveness of vaccination drives already underway. HEC Paris Professor Vedran Capkun tells us why transparency is critical in this current context. He explains what the outcome of the production of these vaccines represents for the pharmaceutical industry.
How Activist Short Sellers Police Financial Markets
New research analyzes how activist short sellers’ “research reports” convince investors that the companies they target are overvalued. Professors Luc Paugam and Hervé Stolowy of HEC Paris and Yves Gendron of the Université Laval found that the share price of companies targeted by major activist short sellers drop by 11.2%, on average, over three days. Target firms are also more likely to be subsequently delisted, suspended from stock exchanges, or to go bankrupt. Who are activist short sellers and how do they police financial markets?
A 4 x 4 Matrix: What Went Into it and How it Made International Development as we Know it?
Most international development agencies and non-governmental organizations (NGOs) have some experience planning and evaluating projects using the Logical Framework matrix. Professors of Accounting Daniel Martinez (HEC Paris) and David Cooper (University of Alberta) traced the managerial traditions that informed this visual instrument and the implications this has for international development.
Digitalization and Talent Attraction at the Big 4
HEC Paris Professor Hélène Löning shares insights on disruption in the way the four well-known auditing and consulting firms, or "Big 4", perform auditing, recruit and manage careers. In her view, the Big 4 and other consulting firms will have to take account of the new generations' expectations to find the skills and talents needed to add value and bring solutions to their clients.
Building Trust Between Investors and Entrepreneurs
Trust plays a key role both in investors’ and entrepreneurs’ performances. It is built among others on a shared vision of entrepreneurship, as well as shared networks. In this interview, HEC Paris Professor Hélène Löning shares her expertise based on research and several studies about entrepreneurial ecosystems conducted with her students. She introduces the different relationship stages between investors and entrepreneurs, explains the consequences of shared images of entrepreneurship, and the business schools’ key role in building this relationship and its ability to innovate. To conclude, she emphasizes the notion of trust by explaining how it applies to investors and entrepreneurs.