A number of factors affect gas prices, including the cost and supply of crude oil, the cost of refining, taxation and marketing. The most influential factor, the cost of crude oil, may be influenced by the Organization o... More »

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Factors that affect goat prices in the United States include the local cultural practice of eating goat, the amount of goat imported from foreign countries and the movement towards sustainable livestock production. As mo... More »

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The price of silver depends on market forces such as supply and industrial demand. Other factors, such as the activity of large institutional investors, the price of gold and mining costs, also affect the price. More »

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The price of diesel fuel is affected by a number of factors, including the initial cost of crude oil, the cost of refining and the taxes levied by government. There is also a range of logistical costs associated with the... More »

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Heating oil prices are affected by seasonal demands, changes in the cost of crude oil, competition in markets and operating costs. The price consumers pay differs over time and depends on where they live. More »

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Inflation can rise as a result of a number of factors, such as an excessive monetary supply — which devalues currency, causing a rise in prices — and excessive pressure on supply and demand, usually caused by natural dis... More »

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Propane prices fluctuate as a result of factors such as natural gas and crude oil prices, weather fluctuations, the distance away from supply and a balance between supply and demand, according to Thrifty Propane. Some of... More »