Examining the most heavily-cited publications in labor economics from the early 1990s, I show that few of over 3000 articles citing them directly replicates them. They are replicated more frequently using data from other time periods and economies, so that the validity of their central ideas has...

This paper assesses the evolution of last 43 years in counterfeit research with respect to sources of knowledge (i.e. journals, authors, institutions, countries) and research themes. The oldest paper on this subject discovered in the Scopus database was published 43 years ago, yet a time frame...

Gap, split, divide are just a few among many words used in publicizing the divergence of literature on internal and international migration. In this paper we empirically test what has so far been just a conjecture. Using Web of Science data and bibliometric techniques we, first, provide...

We compute confidence intervals for recursive impact factors, that take into account that some citations are more prestigious than others, as well as for the associated ranks of journals, applying the methods to the population of economics journals. The Quarterly Journal of Economics is clearly...

We compute confidence intervals for recursive impact factors, that take into account that some citations are more prestigious than others, as well as for the associated ranks of journals, applying the methods to the population of economics journals. The Quarterly Journal of Economics is clearly...