It works well here in NZ - I think that part of it is that we've built a political culture around MMP that understands that to be successful at MMP parties need

It works well here in NZ - I think that part of it is that we've built a political culture around MMP that understands that to be successful at MMP parties need to build coalitions and compromise (very transparent public compromises) - the current government is the first we've had in 3-4 decades where one party could form a government by themselves, and they still formed a coalition of sorts