A recent study by Sopra Steria and OpSci.ai has attempted to calculate the economic cost of misinformation, estimating that it amounts to around 417 billion euros annually, which represents about 15% of France's GDP. This is the first significant attempt to quantify the financial implications of digital misinformation, a pressing issue of the 21st century. The findings suggest a wide array of negative impacts stemming from misinformation, ranging from deceptive product reviews on e-commerce platforms that mislead consumers to false information disrupting stock markets and various scams.

The report outlines not only economic detriments but also serious health implications associated with misinformation. It mentions fraudulent advertisements for bogus treatments and anti-vaccine campaigns, which have potential repercussions on public health. Additionally, the study's analysis highlights the geopolitical ramifications of misinformation, citing incidents like the cancellation of the first round of the Romanian presidential election due to Russian interference, pointing to the far-reaching consequences misinformation can have on governance and public trust.

While the study acknowledges that its calculations are not perfect, it serves as a crucial reference point, establishing a concrete figure for the global economic cost of misinformation. This could prompt further research and potentially lead to policy changes aimed at curbing the spread of misinformation and its associated harms, emphasizing the need for both awareness and accountability in the digital landscape.