In this paper, we study a two-echelon distribution system in which multiple products are jointly replenished at each stocking location and the inventory of each product at each location is controlled by an (s, S) policy. The transportation capacity in volume of products for each joint...

The petroleum refining sector is energy intensive and has been identified as one of the target industries for CO2 emissions control by China's emissions trading scheme. A detailed accounting of the cost of emissions reduction is of great significance for the petroleum refining sector to comply...

Using panel data from 242 cities in China, we examine the impact of government research and development (R&D) spending on corporate technological innovation. We find that listed firms located in cities with higher government R&D expenditures are more innovative than firms in other cities....