David G Victor1, Reyer Gerlagh2, Giovanni Baiocchi3. 1. University of California, San Diego, La Jolla, CA 92093, USA. IPCC WGIII Coordinating Lead Author. 2. Tilburg University, 5037AB Tilburg, Netherlands. IPCC WGIII Coordinating Lead Author. 3. University of Maryland, College Park, MD 20742, USA. IPCC WGIII Lead Author.