In 2007, Spanish telecoms companies began to offer bundled services. Operators started by offering phone plus broadband and phone plus broadband plus pay television bundles, and in doing so, were able to reduce aggregated prices for consumers. In addition to monetary incentives, this study...

The SAR model is widely used in spatial econometrics to model Gaussian processes on a discrete spatial lattice, but for large datasets, fitting it becomes computationally prohibitive, and hence, its usefulness can be limited. A computationally-efficient spatial model is the spatial random...