Negotiators make two main choices about the type of
agreement they aim to design: the breadth and the depth
of the agreement they want to achieve. In terms of breadth,
an agreement can be narrowly focused on resolving a small
number of problems (even if those are major issues, as in
the Montreal Protocol’s narrow focus on the big problem
of reducing ozone-depleting CFCs). Alternatively, it can
be broadly focused on number of inter-related issues to try