Journal Articles & Working Papers

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Not just conspiracy theories: Vaccine opponents and pro-ponents add to the COVID-19 ‘infodemic’ on Twitter

In February 2020, the World Health Organization announced an ‘infodemic’ that accompanied the global pandemic of COVID-19.

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Covid-19 infodemic reveals new tipping point epidemiology and a revised R formula

Many governments have managed to control their COVID-19 outbreak with a simple message: keep the effective 'R number' R1 to prevent widespread contagion and flatten the curve. This...

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Hidden order in online extremism and its disruption by nudging collective chemistry

Disrupting the emergence and evolution of potentially violent extremist movements is a crucial challenge. In recent months, Facebook has designated the new U.S. Boogaloo movement a violent...

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The COVID-19 Social Media Infodemic Reflects Uncertainty and State-Sponsored Propaganda

Significant attention has been devoted to determining the credibility of online misinformation about the COVID-19 pandemic on social media.

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Iterative Effect-Size Bias in Ridehailing: Measuring Social Bias in Dynamic Pricing of 100 Million Rides

In 2015, the dynamic algorithmic pricing used by the Princeton Review was found to be charging Asian-Americans higher prices for their test-preparation services twice as often as non-Asian customers...

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Content analysis of Persian/Farsi Tweets during COVID-19 pandemic in Iran using NLP

As COVID-19 has rapidly and widely spread in the United States and globally, this now pandemic is shaking up all aspects of daily life in all countries affected in an unforeseen manner.

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Quantifying COVID-19 content in the online health opinion war using machine learning

A huge amount of potentially dangerous COVID-19 misinformation is appearing online. Here we use machine learning to quantify COVID-19 content among online opponents of establishment health guidance,...

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The online competition between pro- and anti-vaccination views

Social media companies are struggling to control online health dis- and misinformation, for example, during the COVID-19 pandemic in 2020. Online narratives tend to be nurtured in in-built community...

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Misinformation on the Facebook News Feed: Experimental Evidence

The proliferation of misinformation and fake news represents a pressing policy issue, with potentially deleterious consequences for democracies around the world.

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Detecting East Asian Prejudice on Social Media

The outbreak of COVID-19 has raised concerns about the spread of Sinophobia and other forms of East Asian prejudice across the world.