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退休金長期預期報酬率與盈餘管理及展望理論之研究 / The Relation between expected rate of return on pension plans and earnings management, prospect theory.

本文討論退休金長期預期報酬率之設定。根據會計公報規定,公司之退休金長期預期報酬率必須符合其資產配置。但是在本文中我們發現資產配置並無法有效的反應公司的退休金長期預期報酬率,因此我們提出展望理論及盈餘管理兩種理論來解釋退休金長期預期報酬率之設定。我們發現經理人企圖透過改變退休金長期預期報酬率的假設來進行盈餘管理,同時退休金長期預期報酬率也會因為公司的風險態度而有所改變。 / Abstract: We try to find out the considerations for managers to set their assumptions of expected long term rate of return on pension plan assets (ROPA). First, we use the asset allocations of pension funds and historical returns to calculate the expected rate of return based on historical asset returns (EROPA). There is difference between ROPA are EROPA, suggests that asset allocations are not the only consideration when managers setting their ROPA assumption. Two theories are examined in this paper to explain such difference between ROPA and EROPA: earnings management and prospect theory. We use two models to test the earnings management, single accrual model and threshold model. We find that the intentions to smooth the reported income are the main incentives for managers to manipulation their ROPA. The incentive to do earnings management can partly explain the difference between ROPA and EROPA. However, in threshold model, we can not observe any evidence in our research. We also introduce prospect theory to examine the risk attitude. We find that managers’ risk attitude affect the setting of assumptions, too. We conclude prospect theory provides a good explanation of the difference between ROPA and EROPA.

Identiferoai:union.ndltd.org:CHENGCHI/G0095357029
Creators徐培蕙, Hsu, Pei Hui
Publisher國立政治大學
Source SetsNational Chengchi University Libraries
Language英文
Detected LanguageEnglish
Typetext
RightsCopyright © nccu library on behalf of the copyright holders

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