Why does Michael Kremer use randomized trials?
Randomized controlled trials (RCTs) are the most rigorous method for determining causality. By randomly assigning individuals or communities to receive an intervention or a control, we can isolate the impact of that specific intervention. This allows us to confidently say whether a program works, how well it works, and its cost-effectiveness, which is essential for making informed decisions about where to allocate scarce resources in development aid.
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