臺灣博碩士論文加值系統

本研究旨在探討沉沒成本水準、決策者繼續投資意願與組織承諾及專業承諾之關係。先前研究主要探討沉沒成本效應的成因，而本研究目的則為找出改善沉沒成本效應的因子，故本研究希望藉由調查台灣證券交易所及櫃檯買賣中心之各公司部門經理人，探討決策者在不同程度的組織承諾及專業承諾下，檢測其對沉沒成本效應之影響。
本研究採用問卷調查法，探討沉沒成本水準、決策者繼續投資意願與組織能諾及專業承諾的關係，問卷的變數包含沉沒成本水準、決策者繼續投資意願、組織承諾、專業承諾。本研究以國內上市櫃公司部門經理人共計120人為問卷調查對象，共發放120份問卷，搜集90份有效樣本，並採用迴歸分析進行假設檢定。
本研究實證結果顯示沉沒成本水準對於決策者繼續投資意願有顯著性的影響，表示沉沒成本效應確實存在於決策者進行決策之時。進一步發現，組織承諾及專業承諾對於沉沒成本效應具有調節效果，但專業承諾的調節效果較顯著。沉沒成本水準對決策者繼續投資意願間的關係，受到專業承諾的影響較強烈，決策者對專業的承諾越高，沉沒成本水準對於決策者繼續投資意願影響顯著降低，越容易減少沉沒成本效應。本文並根據研究結果提出改進決策者降低沉沒成本效應之政策意涵。

The main purpose of this study is to investigate the relationship between the level of sunk costs, willingness to keep investing and organizational commitment and professional commitment. However, most prior research discussed cause of sunk cost effects. The purpose of this research is to investigate mitigate factor of sunk cost effect. Thus, the research is to investigate managers of companies of Taiwan Stock Exchange and OTC how sunk cost effects will be affected under different level of organizational commitment and professional commitment.
A questionnaire survey on the level of sunk costs, willingness to keep investing and organizational commitment and professional commitment were employed, including the following variables: the level of sunk costs, willingness to keep investing, organizational commitment and professional commitment. The research method is to distribute questionnaires to 120 subjects, one for each, who are managers of companies of Taiwan Stock Exchange and OTC. The collected 90 valid samples are then analyzed using regression analysis and hypothesis testing.
The results of this study illustrate that the level of sunk costs have significant effect on the willingness to keep investing, and it means sunk cost effect exist as well. Furthermore, organizational commitment and professional commitment has a moderating effect on sunk cost effects but moderating effect of professional commitment are more stronger. The relationship between the level of sunk costs and the willingness to keep investing is more affected by professional commitment, whereas under the high level of professional commitment, the level of sunk costs more weakly affects the willingness to keep investing. That is to say, sunk cost effects are reduced. As a result, the study, in the end, will provide related policy implications and recommendations to decision-makers.

CONTENTS
Abstract i
論文摘要 iii
致謝辭 iv
LIST OF TABLES vii
LIST OF FIGURES viii
1. Introduction 1
1.1 Background and Motivation 1
1.2 Research Purpose 5
1.3 Research Process 6
2. Literature Review and Hypotheses 7
2.1 Sunk Cost and Sunk Cost Effects 7
2.2 Commitment 10
2.3 Organizational Commitment 12
2.4 Professional Commitment 25
3. Research Design 33
3.1 Subjects and Research Design 33
3.2 Experimental scenario 35
3.3 Variable Measurement 36
3.4 Analysis Method 38
4. Results 39
4.1 Descriptive statistic 39
4.2 Reliability 40
4.3 Correlation 41
4.4 Factor analysis 42
4.5 Sunk cost effect (Correlation between Level of sunk
cost and Willingness to continue investing) 45
4.6 Moderating effect of Organizational Commitment 46
5. Discussion and Conclusions 50
5.1 Conclusion 50
5.2 Contribution 52
5.3 Implication 53
5.4 Limitation 54
Appendix 55
Reference 58

LIST OF TABLES
Table 1. Literature Review of Organizational Commitment 12
Table 2. The Classification of the Scholars of
Organizational Commitment 16
Table 3. Literature Review of Professional Commitment 26
Table 4. Demographic Statistics 34
Table 5. Mean, Median, Standard Deviations, Range and
Reliabilities for all measures 40
Table 6. N, Mean, Minimum and maximum values for Two Degree
of HOC and LOC 40
Table 7. Pearson Correlation 41
Table 8. Factor Analysis of OC and PC 43
Table 9. Result of Model 1 analysis 45
Table 10. Result of Model 2 analysis (moderating effect
of OC) 47
Table 11. Result of Model 3 analysis (moderating effect
of PC) 49

LIST OF FIGURES
Figure 1 Research framework-organizational commitment 24
Figure 2 Research framework-organizational commitment 32

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