企業導入ERP系統對盈餘管理及會計資訊價值攸關性影響之研究

本研究以2009年天下雜誌所發布之台灣製造業1000大企業於2001年至2011年間導入ERP系統之公司為研究樣本，主要探討企業導入ERP系統對盈餘管理及會計資訊價值攸關性的影響。研究結果顯示，企業導入ERP系統降低以短期及長期裁決性應計數絕對值衡量之盈餘管理。研究結果亦顯示，企業導入ERP系統降低會計資訊之整體價值攸關性。若再進一步將會計資訊區分為盈餘及權益帳面價值資訊，實證結果發現，企業導入ERP系統盈餘之價值攸關性顯著降低，而權益帳面價值之價值攸關性顯著增加。整體而言，企業導入ERP系統後提升了會計資訊品質之忠實表述但降低了價值攸關性。此外，就投資人投資決策觀點，在ERP系統環境下相較於盈餘資訊，權益帳面價值擁有較高的資訊價值。

關鍵字

企業資源規劃；盈餘管理；價值攸關性；會計資訊品質

並列摘要

This study investigated the effect of enterprise resource planning (ERP) system implementation on earnings management and the value-relevance of accounting information. Among the top 1000 most successful Taiwanese manufacturing firms, those that had implemented ERP systems during 2001-2011 were sampled for an empirical analysis. The results indicated that earnings management, which is measured by short- and long-term discretionary accruals, decreased after the firms implemented ERP systems. The analysis also revealed a significantly negative relationship between ERP implementation and the combined value-relevance of earnings and book values. The results also showed that after the firms implemented ERP systems, the value-relevance of book value increased and that of earnings decreased. These findings indicate that after the firms implemented ERP systems, the faithful representation of accounting information increased and the value-relevance of accounting information decreased. The book value possessed more valuable information from the perspectives of investors after the implementation of the ERP system.