The relevance of transport costs has increased as liberalization continues to reduce artificial barriers to trade. Countries need to adopt policies to `get closer` to global markets. Can improvements in infrastructure and regulation reduce transport costs? Is it worthwhile to implement policies...

Purchasing goods from distant locations introduces a significant lag between when a product is shipped and when it arrives. This is problematic for firms facing volatile demand, who must place orders before knowing the resolution of demand uncertainty. We provide a model in which airplanes bring...