How sustainable is the growth pattern of a national economy? At first, answering this question seems almost impossible, since this would require knowing what happens and what can happen in the future. One needs to assess whether the investments we make today will be sufficient to provide future...

It is now generally agreed that the prediction of long-run development has to include natural resource use. To focus on the long run is, however, not equivalent to the use of balanced growth assumptions. It should be kept in mind that reaching a long-run equilibrium might take considerable time....