Learning Contents:                                                              ·               Increase in   Demand ·              Decrease in   Demand    Introduction As studied in previous post related to the determinants of demand that states, it is not only the price which cause changes in the demand for the commodity but in the real world there also exist other factors such as the income of the consumer, price of related goods, taste and preferences of the consumer, etc. that affect  the demand for the commodity. Demand for a commodi...