drivers who are strategic the platform is setting you know a pricing rule a decision for how transaction prices are set on each on each interaction and then there's this kind of underlying queueing dynamic that governs you know the number of rides that are requested and the number of drivers that are available and in isolation we have a lot of you know different models and in various literature's that tell us about any one of these three problems one of the things that makes us really interesting to me is the fact that all three kind of