This paper presents a theoretical view of imperfect market. It concludes that an increase in the price of products does not give any incentive to increasing production which shows the mechanism for upward trends in prices.

Real market institutions, stock and commodity exchanges for example, do not occur in isolation. Company stock is frequently listed on several stock exchanges, and futures exchanges make it possible for dealers in a particular commodity to offset their risks by trading options in that commodity. While there has been extensive research into agent-based trading in individual markets, there is litt...

This article investigates comovement and contagions in the commodities markets. We examine by analyzing unconditional correlation coefficients. document that tend to partially integrate. perform contagion tests identifying coexceedances estimating multinomial logit explain joint occurrence of those coexceedances. price changes affect probability both positive negative Overall, we conclude there...