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...

This paper uses bio-economic modeling and simulation to investigate the de-mise of the sperm whale industry in the mid-19th century. Petroleum is widely credited both contemporaneously and today with 'saving the whales.' We investigate the transition in illumination technologies from whale oil...