Lawrence De Geest
Economist and data scientist at Zoox with prior roles at Lyft and the NBA, known for research on marketplaces, experimentation, and causal inference applied in industry.
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Apr 1, 2026 • 1h 5min
Causality, Experimentation, and Marketplaces | Lawrence De Geest S2E10
Lawrence De Geest, economist and data scientist at Zoox (formerly Lyft and the NBA), riffs on marketplaces and experimentation. He explains why simple A/B tests fail in marketplaces. He walks through coarse randomization, synthetic-control quasi-experiments, and designs to handle interference. He also discusses supply elasticity, long-term re-equilibration, and practical trade-offs in real-world experiments.
