Demand Analysis Of Egg In Daerah Istimewa Yogyakarta

The research on egg demand in Daerah Istimewa Yogyakarta is directed to know the factors influencing egg demand, and it is expected to be useful source for policy making in production and marketing planning. The use of time series data from 1972 to 1988 indicates that equation of Static Model with double log is the best equation model to predicting engg demand in this region. The result of the analysis in this region that egg demand is influenced by egg price, milk price, beef price, chicken price, frying-oil price, income, and the condition of specific season. At the periods of the specific months is at the Ramadhan month/Idul Fitri and Christmas/New Year the demand increases as much as 16.92% compared with one in other months. Own price elasticity of demand is as much as 0.5085 it means that egg in this region is inelastic goods, while income elasticity of demand is as much as + 1.4577 it means that egg is superior goods. Cross price elasticity to beef price and chicken price each of which is positive insign, it means that both goods are substitutive goods of egg. Cross price elasticity of demand for beef is as much as +0.3125, and cross price elasticity of demand for chicken is as much as +0.2920. Cross price elasticity to frying-oil price and milk price each of which is negative in sign, it means that both goods are complementary goods of egg. Cross price elasticity of demand for frying-oil is as much as �0.3667 dan cross price elasticity of demand for milk is as much as � 0.8270. The account of demand and production proyection indicates that the everage increase of total consumption demand per year is larger than the average increase of production, so that begin to future year of 1995 on egg product in this region will not be able to fulfil the people consumption demand. Key words: Complements, two goods such that when the price of one increases, the quantity demanded of the other falls. Elasticity, a measure of the persentage change in one variable brought about by a 1 percent in some other variable. Inelastic, price does not have as much of an effect on quantity demanded. Substitutes, two goods such that when the price of one increases, the quantity demanded of the other increases. Superior, a good that is bought in larger quantities as an individual's income rises