London | Former finance minister Mathias Cormann is now in a one-on-one stoush with a European heavy-hitter to run the Paris-based Organisation for Economic Cooperation and Development, after two of the final four candidates dropped out.

The process of selecting a new secretary-general for the Paris-based, 37-member rich-nations’ policymaking club will likely come to a head this week, after six months of behind-the-scenes campaigning and culling from a initial field of 10.