This paper focuses on the information content of the periodic allocation of expense by managers. In this paper, we analyzed the direction and magnitude of stock price changes in response to the disclosure of write-off policies of 424 Japanese companies on two newspapers. We obtained some empirical evidence that information concerning write-off policies confirms or changes the expectation of investors about the target companies. This was achieved by our examination concerning market reactions to information about write-off policies of unfunded pension benefit obligations; good and bad performances by short and long write-off periods. Companies that had disclosed their write-off policies were assigned to one of the two categories: companies w...