This dissertation considers the determinants of individual careers within firms and it is articulated into two chapters. The first chapter analyzes a learning model in which a firm and a worker can acquire information about the worker's ability by observing his performance at different tasks....

This dissertation consists of a preface and three chapters each examining how pension actuarial principles distort the financial management of U.S. defined benefit pension plans. Pension actuarial methods were originally developed to assess the relationship between plan assets and liabilities...