In recent years, Smartphone users are increasing rapidly. Moreover, Smartphone users' age occupies from young to old. In the past, studies focus on Smartphone users generally targets the office workers rather than younger users. Yet, previous studies do not talk about the income and life-value...

The Cobb-Douglas production function with Abel's (1983) model is extended herein, and real options analysis for entry-exit decision making with Dixit's (1989) model under exchange rate uncertainty. A general form with the first order of degree homothetic production functions is also considered...

This paper examines whether there exists the effect of party alternative on Nikkei 225 stock behavior by the asymmetric GARCH model. The empirical work finds that the transition of ruling party effect is not a crucial variable to Nikkei 225 returns and volatility. Japanese feel apathy and...