The article explores how trade policies and costs influence trading in developing countries. It studies different types of trade barriers at borders and domestic trade-related policies. They found that tariffs and regulations limit trade for low-income countries despite special trade programs. The study reveals that improving logistics and easing trade can significantly boost trade for developing countries, even more than reducing border barriers. It shows that most countries with good market access have similar benefits, making trade preferences less impactful for many trade partners. In conclusion, enhancing logistics and trade facilitation can have a big positive impact on developing country trade.