Why do recently retired company executives come to reside to the Principality of Andorra?

https://all-andorra.com/recently-retired-company-executives-come-reside-principality-andorra/

Ambassador of Andorra in Brussels Maria Ubach is the next Minister of Foreign Affairs of Andorra. The current Foreign Minister, Gilbert Saboya, is the new Minister of Economy and Innovation

https://all-andorra.com/ambassador-andorra-brussels-maria-ubach-next-minister-foreign-affairs-andorra-current-foreign-minister-gilbert-saboya-will-head-ministry-economy-innovation/