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Replication of Card and Krueger (1994)
Minimum Wages and Employment: A Case Study of the Fast-Food Industry in New Jersey and Pennsylvania
This paper studies the effect of minimum wage increases on employment in the fast-food industry. In April 1992, the state of New Jersey raised its minimum wage from $4.25 to…
Apr 21, 2026
He Zou
A/B Testing a Call to Action
Simulating Key Ideas from Classical Frequentist Statistics
If you run a website, even small wording changes can affect how visitors respond. Imagine that my homepage includes a prompt inviting readers to subscribe to a newsletter. I…
Apr 14, 2026
He Zou
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