In this paper, the author describes different ways in which one can replicate a paper and illustrate them by applying them to the study by Choi and Varian (Predicting the Present with Google Trends, The Economic Record 2012).

Ukraine is a migration-intensive country, with an estimated 1.5-2 million labour migrants (about 5% of the working-age population). Slightly over a half of these migrants travel for work to the EU. This study discusses the impact of this large pool of migrants on both the sending and receiving...