In a recent working paper, authors ANDREW CHANG and PHILLIP LI examined 60 published, empirical papers in 13 economics journals to determine whether the research could be replicated.  Less than half of the papers could be replicated, even with help from the authors.  The main reason that articles could not replicated was that sufficient data and code were not provided.  The paper concludes with recommendations for how to improve the state of replicability in economics. To read more, click here.