We study the global trade network and quantify its trade and welfare impact. We document that the trade network is a hub-and-spoke system where 80% of trade is shipped indirectly, nearly all via ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Each tutorial automatically preserve work done within them, so if you work on a few exercises or questions and then return to the tutorial later, you can pick up right where you have left off.

A "Minecraft" nether guide helps players survive one of the game's deadliest dimensions, where lava oceans, ghasts, and piglins can end a run instantly. Protection begins with fire resistance potions ...