Regional economic activities require materials that can be extracteddomestically or imported from other regions. Analysis of optimalpatterns ofcombined economic development and materials use should be discussedinrelation to trade and the environment. A model is presented thatoptimiseslong-term...

We study aspects of economic growth in a region that is creative in the sense of Richard Florida. We model creativity by supposing that the region under study has two sectors. The first sector uses physical capital {K(t)} and trained workers {A(t)W(t)} to produce creative capital {R(t)}. The...