Are Worldwide Economies Correlated?
There has been a lot of interest in the last few years in looking at the correlations between country-wide measures like gross domestic product (GDP [http: »
How has US foreign aid changed over time?
US foreign aid is a hot topic [http://topics.nytimes.com/top/reference/timestopics/subjects/f/foreign_aid/index.html] , especially during presidential election cycles like »