data, I then show that this type of demand heterogeneity is empirically relevant in a consumer health plan setting. Younger … and older consumers and men and women reveal strikingly different demand for health insurance, conditional on their …

expectations. We find that higher inflation expectations on the part of firms leads them to raise their prices, increase demand for …, demand effects are stronger, leading firms to raise their prices more and no longer reduce their employment …

We propose an approach to modeling and estimating discrete choice demand that allows for a large number of zero sale … empirical application of air travel demand where product-level sales are sparse. We find considerable variation in demand over … time. Periods of peak demand feature both larger market sizes and consumers with higher willingness to pay. This amplifies …