Yes, but I wouldn’t call him extremely conservative either.
He has called for taxes on financial transactions in “Towards Reforming the International Financial and Monetary Systems in the Context of a Global Public Authority” was that was very specific, as well as condemning the “idolatry of the markets” and “neo-liberal [economic] thinking”.
http://www.news.va/en/news/full-text-note-on-financial-reform-from-the-pontif Published in October of 2011.