Randomized evaluations can help us understand what works and what doesn't in development.

The world is a complicated place, and I try to reflect that in my writing.

最黑暗的夜晚孕育最亮的星星。

The hardest choices often lie between short-term profit and long-term resilience—choose wisely.

我们必须专注于长期价值创造，而不是短期收益。