- 學位論文
企業導入ERP後對盈餘資訊內涵的影響
Effect of ERP Implementation on Informativeness of Earnings
摘要
本研究探討之主題為企業導入ERP後對盈餘資訊內涵的影響，並進而分析該影響是否隨產業別(傳統產業vs. 高科技產業)而異。本研究以2006年以前導入ERP之上市櫃公司為主要樣本，蒐集樣本公司導入ERP前後5年之財務與股價資料，透過「盈餘持續性」、「盈餘反應係數」之模型，以及Sloan (1996)所採用的MishkinTest分析ERP導入對盈餘資訊內涵之影響。 就「盈餘持續性」的衡量顯示：全體樣本之應計項目持續性在企業導入ERP後顯著提升，傳統產業則顯著下降，高科技產業則顯著提升。就「盈餘反應係數」之分析結果：全體樣本、傳統產業及高科技產業之盈餘反應係數在ERP導入後皆顯著下降，顯示投資人對ERP產生之報表信心下降。而Mishkin Test衡量應計項目錯誤訂價結果顯示：全體樣本在ERP導入前後應計項目錯誤訂價情形仍顯著，其中傳統產業ERP導入前後錯誤訂價情形皆相當顯著，而高科技產業於ERP導入前後皆無顯著錯誤訂價情形。 綜合以上，ERP的導入似乎對傳統產業的資訊品質有負面影響，對高科技產業的影響較小。
並列摘要
This study is to investigate the effect of ERP implementation on informativeness of earnings, and then analyze the fact that if the effect will be different from traditional and high-tech industry. This study uses listed and over-the-counter companies as samples that implements ERP before 2006, and collects financial data of sample companies 5 years before and after implementation of ERP. This study mainly uses models of earnings persistence, earnings response coefficient and Mishkin Test that Sloan (1996) used, to discover the effect to earnings informativeness of ERP implementation. Measurement of earnings persistence shows, the persistence of accruals of whole samples significantly raises after ERP implementation; however, the persistence of accruals in traditional industry significantly declines, and the persistence of accruals in high-tech industry significantly raise. About the model, earnings response coefficient, the response coefficient of whole samples, traditional industry, and high-tech industry all go down after ERP implementation. It implies investors’ confidence to financial statements decrease. The results of using Mishkin Test shows, mispricing of the whole samples are still significant before and after ERP implementation; mispricing of traditional industry keeps strongly significant before and after ERP implementation, and high-tech industry have no significant mispricing before and after implementation of ERP.