This paper proposes a method to price convertible bonds with credit risk using Duffie-Singleton approach to handle credit risk. As such it also provides a method to replicate convertibles by trading common stocks and corporate bonds of the issuing company. Empirical comparison with existing...

This paper derives an approximation formula for average options under two stochastic volatility models such as Heston and ă(Lambda)-SABR models by using an asymptotic expansion method. Moreover, numerical examples with various parameters some of which are obtained by calibration to WTI...

This paper overviews the industrial organization in Japan between the two World Wars. In this period, the change in the industrial structure gave a substantial impact on the industrial organization. On one hand, development of the heavy industries, which had been highly concentrated, raised the...

Using the firm-level data of the "Corporate Enterprise Annual Statistics (hojin kigyo tokei nenpo)", in this paper I investigate the capital investment behavior of Japanese firms. I focus on the second-half of 1980s, and begin what I anticipate will become a full-fledged study of corporate...

The Japanese Government reports the annualized estimates of the growth rates of GDP and its main components once in 3 months, and then revises them once in a while. There have been some critical comments on the accuracy of those numbers mainly from economists who want to evaluate the current...

The object of this paper is to analyze formation process of Korean On Line Game (OLG) industry. For the analysis, the paper focused on initial conditions of industry and complementary infrastructures that have enhanced the rapid growth of Korean OLG industry since early 1990s. New type of game...

We illustrate how to use the X-12-ARIMA program developed by the U. S. Census Bureau when you have to make seasonal adjustment data at the statistical division of the central government. As an illustration we use the Hojinkigyo-Toukei, which is one of the major statistics including sales and...

The purpose of this paper is to investigate the value relevance of the legally mandated provisions. This paper examines the effects of changes in provisions on the value relevance of earnings. The results show that the calculation of provisions will deteriorate the relevance of earnings when the...

In the time series analysis of asset prices, the stochastic volatility models have recently attracted attentions of many researchers since it clearly describes time-varying variance of asset returns. However, it is difficult to evaluate the likelihood and obtain the maximum likelihood estimators...

The working paper reports characteristics and problems of product development activities in the Japanese mobile phone industry.More than 15 mobile phone manufacturers have competed furiously in the domestic market where Japanese specific protocol is dominant.In order to respond to their users...