A spark of algorithmic alchemy brought together Hopkins alum Taylor Krause and Garrett Josemans, who met and married thanks ...

Arbor is an energy startup that helps you automatically lower your energy bill on an ongoing basis — with many customers saving nearly $600 every year.

This paper evaluates the effect of a Tanzanian program that rehabilitated 2,500 km of major roads on rural livelihoods. The analysis uses a large set of variables describing household behavior to ...