本研究旨在探討CEO的神經質程度對非GAAP盈餘(Non-GAAP Earning)的發佈與其特性的影響。相較受限於制式框架的一般公認會計準則盈餘，非GAAP盈餘富有裁量空間及彈性，因此成為管理階層與投資人重要的溝通管道之一，但其揭露動機多樣且複雜，亦可能造成投資人的誤解及損失。本研究推論，若當期的GAAP盈餘無法呈現真實的公司營運情形時，預期神經質的CEO可能會選擇提供非GAAP盈餘報告，以降低營運風險，緩解自身焦慮。另一方面，為避免被市場誤解的風險，並引起訴訟，預期神經質的CEO傾向不提供非GAAP盈餘報告，以減輕因市場誤解和法律風險帶來的焦慮情緒。此外，為維持非GAAP盈餘的透明度，推論神經質的CEO不會激進的排除非GAAP盈餘項目。本研究結果顯示，CEO的神經質程度越高，發佈非GAAP盈餘的可能性越低，以及CEO的神經質程度越高，非GAAP盈餘的排除規模越小。在穩健性測試中，本研究利用Bently et al.(2018)手工收集的資料重新測試，實證結果顯示，CEO的神經質程度與發佈非GAAP盈餘的可能性呈負相關，但與非GAAP盈餘的排除規模未達統計上的顯著水準，無法證實CEO的神經質程度與非GAAP盈餘排除規模有關。本研究另探討神經質的CEO是否影響非GAAP盈餘排除項目的持續性。實證結果顯示神經質CEO排除的項目較不具持續性，即非GAAP盈餘的品質較好。

This study examines the relationship between CEO neuroticism and non-GAAP earnings. The study hypothesizes that neurotic CEOs are associated with the release of non-GAAP earnings and that neurotic CEOs are negatively related to the exclusion size of non-GAAP earnings based on their risk-averse characteristics. The empirical results show that the higher the degree of neuroticism of the CEO, the lower the likelihood of issuing non-GAAP earnings, and the higher the degree of neuroticism of the CEO, the smaller the exclusion size of non-GAAP earnings. In the robustness test, this study re-tests using the data collected manually by Bently et al. (2018). The empirical results show that CEO neuroticism is negatively related to the likelihood of posting non-GAAP earnings but not statistically significant regarding the exclusion size of non-GAAP earnings. Therefore, it could not be proven that the degree of CEO neuroticism is related to the exclusion size of non-GAAP earnings. This study also examines whether neurotic CEOs affect the persistence of non-GAAP earnings exclusions. The empirical results show that neurotic CEOs exclude items that are less sustainable, indicating that the quality of non-GAAP earnings is better.

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