The problem sense, problem nding, problem solving, and iegitimation methods, as well as procedural and technological aids, are all examples of re cent advancements in the field. The most basic market model includes two factors: supply and demand. Both inuence the price and quantity of products sold in the marketplace. When a natural disaster strikes, it can have two immediate effects. It's not uncommon for demand for such goods to rise in such circumstances. For example, if everyone is attempting to ee a given region, gas demand may increase. Another consequence is that the availability of certain goods may be reduced. For example, transporting gas in areas impacted by a natural disaster could be more expensive, resulting in a reduction in gas supply and, as a result, an increase in price