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| Title: | 序數邊際效用理論：金錢評價影響因素對於商品需求之影響
The effect of evaluating value for money on the demand of commodity in the ordinal marginal utility theory |
| Authors: | 張孟妤
Chang, Meng-Yu |
| Contributors: | 林忠正
Lin, Chung-Cheng
張孟妤
Chang, Meng-Yu |
| Keywords: | 基數效用
序數效用
序數邊際效用理論
cardinal utility
ordinal utility
the ordinal marginal utility theory |
| Date: | 2021 |
| Issue Date: | 2021-08-04 16:01:36 (UTC+8) |
| Abstract: | 現今社會以貨幣為交易媒介，倘有因素影響消費者對其保有金錢(現金或貨幣)之評價(下稱金錢評價影響因素)，將進一步改變其商品購買行為、影響商品需求。本文利用「序數總效用理論」與「基數總效用理論」等現代主流經濟理論(舊理論)，及林忠正提倡「序數邊際效用理論」(新理論)，企圖尋得一合適理論分析金錢評價影響因素之經濟意涵，所得結論如下：(a)序數總效用理論下，因總效用函數二次微分項之正負符號無法維持恆定，須捨棄所有建基於該正負符號之經濟概念(包括常識性邊際效用遞減原則)，爰無法就金錢評價影響因素進行分析；(b)基數總效用理論可用以分析金錢評價影響因素，但該理論隱含效用可衡量性質，且理論所須假設幾乎不可能於真實世界出現，非為合適理論；(c)序數邊際效用理論可用以分析金錢評價影響因素，且該理論兼具兩種舊理論之優勢，採序數效用概念(效用僅可排序大小而不可衡量)亦保留常識性之邊際效用遞減原則，修正當前經濟理論之缺陷，為一較佳之經濟理論。
Money serves as a medium of exchange in today`s society. If there are factors that affect consumers` psychological evaluation of holding money (hereafter referred to as monetary evaluation factors), consumers will change purchase behavior and the demand for commodities. This paper used the ordinal total utility theory and the cardinal total utility theory, two main modern utility theories, and the ordinal marginal utility theory (the new theory) advocated by Chung-Cheng Lin to explore an appropriate approach to analyze the economic meanings of monetary evaluation factors. The following conclusions can be drawn: (a) The economic concepts including the law of diminishing marginal utility that based on the signs of the second derivatives of the ordinal total utility functions must be abandoned since the signs of the second derivatives cannot always remain the same after any positive monotonic transformation. The monetary evaluation factors cannot be analyzed in ordinal total utility theory. (b) The monetary evaluation factors can be analyzed in cardinal total utility theory, but this theory implies that the utility is measurable, and the probability of the assumptions in real life is almost zero. The cardinal total utility theory is not an appropriate approach, and (c) The monetary evaluation factors can be analyzed in ordinal marginal utility theory. This new utility theory maintains the advantages of the two main modern utility theories. It preserves both the utility ordinality (the notion of utility immeasurability) and the law of diminishing marginal utility. The ordinal marginal utility theory corrects the significant flaws of the two mentioned theories and is a better economic theory. |
| Reference: | 王琪瑛（2019），序數邊際效用理論：公共財數量變動對商品需求的影響。國立政治大學財政學系碩士論文。
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| Description: | 碩士
國立政治大學
財政學系
104255031 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0104255031 |
| Data Type: | thesis |
| DOI: | 10.6814/NCCU202100710 |
| Appears in Collections: | [財政學系] 學位論文
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