<p><strong>1.A Comparative Study of Algorithms for Matrix Balancing</strong></p><p><br/></p><p><strong>2.A Comparison of RAS and Entropy Methods in Updating IO Tab</strong>les</p><p></p><p><strong>3.Assessment Study for the RAS Method based on China's Input-Output Tables</strong><br/></p><p><br/><br/><strong>4.Estimating a Social Accounting Matrix Using Cross Entropy Methods</strong></p><p></p>