摘要: The abstract character of the conception land as basis rent, 466. — Modification rent theory according to possibility preventing exhaustion, 469. Effect assumption exhaustion upon economic intensity utilization, 471. Influence rate interest on 474. prices 477. Determination extensive margin, 480. so-called royalty from mines forms a part rent; Ricardo's discussion, 481. Relation royalties and rents prices, 485. Incidence taxation under modified assumptions, 486. Conclusion, 488.