This paper examines the importance of buyer-supplier relationships, geography and the structure of the production network in firm performance. We develop a simple model where firms can outsource tasks and search for suppliers in different locations. Low search and outsourcing costs lead firms to...

This study examines whether a public-private partnership (PPP) arrangement improved operational cost efficiency in Korea's urban rail transit system. Overall, evidence suggests that private participation has not contributed to cost reduction in service operation. The study also explains how the...

Purpose: In order to better serve the transport demand of urban area by rail, the Urban Rail Train Stop Schedule problem was considered. Design/methodology/approach: Mathematic modeling as the Bi-level mathematical programming model with a game theory relation between the two level was used....

This paper examines the importance of buyer-supplier relationships, geography and the structure of the production network in firm performance. We develop a simple model where firms can outsource tasks and search for suppliers in different locations. Low search and outsourcing costs lead firms to...

We examine whether a public-private partnership (PPP) improved the operational cost efficiency of Korea's urban rail system. Results suggest that private participation did not reduce service operation costs. We explain how the absent cost advantage may be connected to the two characteristics...

TOD (transit-oriented development) model can well integrate urban public transportation with land use, which is of great significance to solve the existing traffic problems in urban development. The construction of public transportation in China is often to solve the traffic congestion caused by...