Vehicle ownership is an expensive undertaking, from the initial purchase price to the rising cost of gasoline and ongoing expenses like oil changes, tire replacement, and repairs, which are also ...

We make only one point in this article. Every quantitative study must be able to answer the question: what is your estimand? The estimand is the target quantity—the purpose of the statistical analysis ...

Let’s start by defining wealth, a key economic concept. That’s the easy part. Then we’ll examine a couple of ways to calculate it and to use U.S. statistics on wealth published by the Federal Reserve.