The ambi tious and mul ti dis ci plin ary topic of this paper hints at the extent to which the authors had to rely on help from col leagues with a wide vari ety of dis ci pli nary and geo graphic exper- tise. They are too numer ous to men tion indi vidu ally, but sev eral col leagues stand out because of the degree of their sup port for this col labo ra tive proj ect and the depth of their insights on pre vi ous drafts. Per Pinstrup- Andersen and Rajul Pandya- Lorch, direc tor gen eral and head of the.
