In many industries, customers are offered free shipping whenever an order placed exceeds a minimum quantity specified by suppliers. This allows the suppliers to achieve economies of scale in terms of production and distribution by encouraging customers to place large orders. In this paper, we...

Vietnam has been following China?s path closely and very successfully for the last two decades, since the adoption of ?Doi moi? in 1986. Over those last two decades, economic growth rates in both countries have been the highest worldwide (with GDP growing by 8 per cent and 10 per cent per year,...

This article uses tick-by-tick foreign exchange rates to explore the feature of high frequency financial data. In this article, the author proposes a model that explains the negative autocorrelation of high frequency financial time series. The empirical results indicate that the heavy tail of...

This paper is Selected for presentation at the Southern Agricultural Economics Association Annual Meeting, Atlanta, Georgia, January 31-February 3, 2009. The research is partially funded by ERS/USDA China Project and Social Science Fund of Jiangsu Province in China. The authors are grateful for...

Vietnam has been following China's path closely and very successfully for the last two decades, since the adoption of "Doi moi" in 1986. Over those last two decades, economic growth rates in both countries have been the highest worldwide (with GDP growing by 8 per cent and 10 per cent per year,...