Modeling spatio-temporal diffusion of carsharing membership in Québec City

- We use zero-inflated negative binomial regression to model the spatial diffusion of carsharing membership in Québec City.
- Carsharing distribution did follow Hägerstrand's innovation diffusion model.
- Some of the Cervero 5D model significantly influenced membership.
- Socio-economic factors most greatly affected the membership rate in the service area.