Cities only have a finite amount of land – does it make sense that they tax lower density areas at a lower rate? How should cities balance the cost of maintaining infrastructure on a per acre basis with how land use policies impact the amount of property taxes those same acres produce?  Joe Minicozzi explains the simple math that anyone interested in redesigning cities should know. This fascinating talk relies heavily on visuals. Listeners unfamiliar with his 3D visualizations of property tax/acre revenues showing short green spikes for low values and “purple mountains” of tall spikes for high value properties may prefer to watch the video of Joe’s talk.