Measuring aggregate inflation is subject to two opposing biases: unobserved quality and variety growth, and the use of incorrect weights when new varieties are misclassified. We show that it is possible to measure an aggregate price index free of these biases when we have a subset of products...

Accurate measurement of rental inflation is essential for understanding housing market dynamics, informing policy, and ensuring reliable inflation statistics. This paper constructs a repeat rent index (RRI) using newly available administrative data from the Residential Tenancies Board (RTB),...