
https://blogs.lse.ac.uk/europpblog/2021/10/22/unexpected-lessons-from-spains-economic-rise/

http://www.fiscalcouncil.ie/wp-content/uploads/2017/06/Fiscal-Assessment-Report-June-2017-Final.pdf

http://www.oecd-ilibrary.org/docserver/download/5jlv2jhfnt48-en.pdf?expires=1494939516&id=id&accname=guest&checksum=08592067325A17BFB82AC6F6E15110B2