Ni, Yen-Sen; Lee, Jen-Tsai; Liao, Yi-Ching - In: Applied Economics Letters 20 (2013) 2, pp. 135-141
When analysing the data periods including the pre-financial and financial crisis periods, the results show that … to make profits in a financial crisis period, suggesting that more detailed information should be investigated, since the … significant results shown during the full period might not reveal the differences between the pre-financial and financial crisis …