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題 名 | 臺灣雞蛋市場決價效率之研究--向量自我迴歸模式之應用 |
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作 者 | 黃萬傳; | 書刊名 | 農業經濟半年刊 |
卷 期 | 56 1994.12[民83.12] |
頁 次 | 頁43-76 |
分類號 | 483.4 |
關鍵詞 | 臺灣; 雞蛋市場; 決價效率; 向量自我迴歸模式; Pricing efficiency; Vector autoregressions model; VAR; |
語 文 | 中文(Chinese) |
英文摘要 | The purpose of this paper is to evaluate the pricing effeciency via vector autoregressions (VAR) model for chicken-egg market. The data have four price time series, i.e., farm level, wholesale level, jobber level, and retail level. Based on the resut of model specification, VAR (3) is appropriate to represent the price relationships of chicken-egg market. There are some major results from this paper. First, the pricing efficiency as a whole is low in the chicken-egg market because of price discovery controlled by wholesalers and jobbers. Secondly, based on the index of pricing efficiency, 1 - modified R², suggested by the author, the wholsalers' index is 0.04 which is the lowest among the marketers. Some implications drawn from the results to improve pricing efficiency are as following: (1) to shape the pricing form from fixed marketing margins to flexible one. (2) to set up the regional grading and package centers. (3) to enhance the level and quality of egg processing. |
本系統中英文摘要資訊取自各篇刊載內容。