Polls, errors and democracy in the 21st century


I have been working with data analysis for public policy design, public administration, and electoral campaigns for a while. And I have been following electoral polls from all around the globe during the last years.

Nowadays, the question in everyone’s minds is: what is happening with the polls? Why are they so wrong? The problem is neither caused by polls methodology nor by politicians, but by the governments. I’ll explain why.

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Pablo Cerdeira is the Head of the Center of Technology and Society - CTS/FGV and the former Rio de Janeiro's Chief Data Office