What does the changing context of development finance mean for the post-2015 agenda?

It’s a daunting task, trying to summarise a series of viewpoints from eminent researchers and experts on how the development finance landscape has evolved and what it all means for the financing of development beyond 2015. While I doubt I can do justice to all the contributions so far, we need to take stock of the lessons contained in these different viewpoints. I see four key questions that provide real food for thought.