Europe's Search for a Safe Asset : Policy Brief 18-20 from the Peterson Institute for International Economics, published .
World Economic Outlook, October 2018 : An IMF report titled "Challenges to Steady Growth". : 18 – Volume 21 – October 2018
While your query specifies October, this is the primary academic paper matching those specific identifiers (Paper 18, Volume 21, 2018). Other notable publications matching parts of your description from October 2018 include: : Europe's Search for a Safe Asset : Policy
The citation provided appears to refer to by Eloi, which was published as Paper 18 in Volume 21 of the journal Australasian Agribusiness Perspectives in December 2018 . published . World Economic Outlook