Ohlson James A. author Penman Stephen H. author Columbia University. Business Columbia University. Business originator contributor text Working papers New York Columbia Business School, Center for Excellence in Accounting and Security Analysis 2005 English This paper lays out a comprehensive solution to the problem of accounting for claims based the performance of a firm's stock price. The accounting covers employee stock options, stock appreciation rights, put and call options, convertible debt and preferred stock, warrants, and other hybrid securities. This issue has vexed the Financial Accounting Standards Board (FASB) and International Accounting Standards Board (IASB) who have approached the problem on a piecemeal basis, leading to inconsistent treatments of claims that in substance are very similar. Accounting 1 http://hdl.handle.net/10022/AC:P:8592 NNC NNC 2010-04-05 19:19:59 UTC 2011-05-24 18:55:18 UTC 1053 eng