Economist and author Thomas Piketty is the latest person to have been burned by spreadsheet modeling.
A Financial Times investigation into the data behind his wildly successful book “Capital in the Twenty-First Century” concluded that
In his spreadsheets, however, there are transcription errors from the original sources and incorrect formulas.
As long as analysts continue to use spreadsheets for business-critical modelling we’ll continue to see these embarrassing revelations.
