Ibbotson Authors Discuss Historical and Supply Side Estimates of ERP

Business Valuation UpdateVol. 14 No. 1
Data and Publications Update
January 2008
James P. Harrington


Editor’s Note: This article clarifies the differences between methods of calculating ERP; expands upon the derivation of supply side ERP; demonstrates that both the historical and supply models yield similar, not contradictory, results; and introduces so ...