Gail Tverberg is a writer and speaker about energy issues. She is especially known for her work with financial issues associated with peak oil. Prior… (Click to enlarge) Figure 1. From Wikipedia: The price P of a product is determined by a balance between production at each price (supply S) and the desires of those with purchasing power at each price (demand D). The diagram shows a positive shift in demand from D1 to D2, resulting in an increase in price (P) and quantity sold (Q) of the product. Unfortunately, this model is woefully inadequate. It sort of works, until it doesn’t. If there is too little of a product, higher prices and substitutions are supposed to fix the problem. If there is too much, prices are supposed to fall, causing the higher-priced producers to drop out of the system. This model doesn’t work with oil. If prices drop, […]