Keith Fuglie (United States Department of Agriculture): 
The importance of agricultural total factor productivity growth for global food and environmental security PDF

Jesús Anton (OECD):
Agricultural Total Factor Productivity and the environment PDF

Johannes Sauer (Technical University of Munich): 
The impact of agri-environment schemes on farm productivity PDF

Anne Murthy (Farming Economics, Defra): 
The UK Government’s approach to agricultural productivity PDF 

Andrew Barnes (Scotland’s Rural College)
Barriers to agricultural productivity growth in Scotland PDF

Trevor Donnellan (RoI’s Agriculture and Food Development Authority): 
GHG emission mitigation and agricultural production PDF