In this paper we study ergodicity and related semigroup property for a class of symmetric Markov jump processes associated with time-changed symmetric α-stable processes. For this purpose, explicit and sharp criteria for Poincaré type inequalities (including Poincaré, super Poincaré and weak...

A quarter-century quest hasn't found the elusive links between economic fundamentals and currency values. ; The U.S. dollar has been losing value against several major currencies this decade. Since 2001-02, the U.S. currency has fallen about 50 percent against the euro, 40 percent against the...

During the peak of the outbreak of severe acute respiratory syndrome (SARS), we conducted a survey in Beijing on 18 April 2003 to determine the economic impact of SARS, in particular its effects on several service sectors in China. The survey indicated that SARS had significant negative impacts...

Engel and West (2004a) provide an explanation to reconcile the random walk behavior of exchange rate and linear present value asset pricing models. In this paper, we study the long horizon property of exchange rate under Engel-West explanation. It is found that the long horizon data can not...

A crucial question centering many recent debates in the international macroeconomics is under which currency the price is sticky. This paper provides a microfoundation to study the firm¡¦s choice of price setting currency in the sticky price model. I first prove that the risk preference is a...

Science is increasingly produced in collaborative teams, but collaborative teams in science are self-assembled and fluid. Such characteristics call for a network approach to account for external activities responsible for team product but taking place beyond closed team boundaries in the open...

Despite the importance of international trade firms in China’s economic development, there is only limited empirical evidence about how these firms assimilate Internet-based e-business in global supply chain operations. Using the Technology-Organization-Environment framework, this study...

To examine the effect of foreign direct investment, this paper compares the post-acquisition performance changes of foreign- and domestic-acquired firms in China. Unlike previous studies, we investigate the purified effect of foreign ownership by using domestic-acquired firms as the control...