Research on differentiation and convergence of value relevance of accounting information Research on differentiation and convergence of value relevence of accounting information 并列题名：Research on differentiation and convergence of value relevance of accounting information 并列题名：Research on differentiation and convergence of value relevence of accounting information Research on the national governance effect of government accounting information Research on international convergence of Chinese accounting standards Research on the governance function of accounting information 并列题名：Research on the national governance effect of government accounting information Correlation between valuation and incentive role of accounting information Research on derivative financial instruments disclosure of accounting information