We examine the online archive of the Journal of Money, Credit, and Banking, in which an author is required to deposit the data and code that replicate the results of his paper. We find that most authors do not fulfill this requirement. Of more than 150 empirical articles, fewer than 15 could be...

can rarely be reproduced using the data+code in the journal archive. Recently created archives at top journals should avoid the mistakes of their predecessors. We categorize reasons for archives' failures and identify successful policies.

All the long-standing archives at economics journals do not facilitate the reproduction of published results. The data-only archives at Journal of Business and Economic Statistics and Economic Journal fail in part because most authors do not contribute data. Results published in the FRB St....