We need a tourism lobby

I was doing some reading this evening and wondering why the Andean Community and MERCOSUR don’t merge. I thought about the intricacies of that relationship, which led me to look at how Brazil is now going to implement a new visa for “security reasons.” That made me think: What is the actual evidence on visas …

World visa policy statistics

I downloaded data from https://visamap.co/, which is open-source, and combined it with my existing borders data set to see which countries have open visa policies versus closed visa policies. When we compare the total number of countries that offer visa-free access, a pattern appears that linear models fail to capture. The overall score is the …

How to stop terrorist attacks

When looking at the 9/11 attackers, a few things seem pretty obvious to me in terms of ways we actually could have prevented the 9/11 attackers. The first thing that needs to happen is they can’t have a safe haven anywhere in the world, and any countries that are safe for terrorists to host their …