The issue that plagues many public-private partnerships is public skepticism about who profits.

So to fix that, our guest Gabe Klein says both sides need to align the incentives of the citizenry with those of the government - and have fun doing it.

Gabe Klein, former Department of Transportation director for Chicago and DC, former Zipcar executive and now co-author of Start-Up City: Inspiring Private and Public Entrepreneurship, Getting Projects Done, and Having Fun (Island Press, 2015), offers advice to budding urban entrepreneurs: go against the tide, fund creatively, and don't be afraid of failure.