Diagrammatic representations of the exploitation of replenishable natural resources: Dynamic iterations

Geometric representations of two dynamic models of replenishable natural resource harvesting are provided. A well-known simple model is presented in which the only cost of production is the opportunity foregone. That is, present consumption implies a reduction in future consumption possibilities. Diagrams show the iterations of an optimal program. A four-quadrant diagram is used to illustrate a short-run equilibrium and the dynamics that will lead to a long-run solution on the bionomic transformation curve.