英文摘要
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In order to investigate the consuming demand of pork in different areas, the article used ordinary least squares method to estimate the formula of pork demanding in Taichung City, Tainan City and Kaohsiung City. In addition, the estimated results in different areas were reviewed to check the variance between the demand and the income in different areas. Finally, the demand of elasticity in different areas was estimated in order to understand what kind of demand phenomenon for domestic consumers. This study used data of Taichung City, Tainan City and Kaohsiung City from Jan 1979 to December 2006 to conduct an evidence base medicine. The results showed that the elasticity of self-price of the demand of pork in three different areas were negative; the elasticity was less than 1. Although only the result in Kaohsiung City was significant, the results in three areas still fitted the law of demand. The cross elasticity of chick and beef price in three areas showed different relationships, either complementary or substitution. In addition, when the income growth rate was used to estimate the results, the demand of pork in three areas increased when the income growth rate increased as well, although the increase rate is very mild. Nevertheless, the results showed that pork was still an essential thing for the consumers in the three areas.
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