We present a theory of spatial development. A continuum of locations in a geographic area choose each period how much to innovate (if at all) in manufacturing and services. Locations can trade subject to transport costs and technology diffuses spatially across locations. The result is an...

We investigate the sources of productivity convergence using panel data for the Spanish regions. As a framwork, we develop a simple descriptive growth model which allows for factor accumulation, technological diffusion and rate effects from human capital and which includes fixed regional effects...