I would say that proportional representation probably would help numbers of women in Canadian politics, but having watched this debate unfold over many, many decades, I don't think it's going anywhere as a solution any more than I think that quotas are going anywhere.
I think what we really have to work on is transparency in the nominations process, because it seems to me that Canadians are really not showing much appetite for the sorts of institutional design discussions that we would need to actually get either PR or quotas.