This study replicates Zigraiova and Havranek's (2016) meta‐analysis of banking competition and financial stability. It performs multiple types of replications: a ‘Reproduction’ replication where Z&H's data and code are verified to reproduce the results of their study; a ‘Repetition’ replication where the studies used by Z&H are independently recoded and then re‐analysed; an ‘Extension’ replication where additional studies on banking competition and stability are analysed; and a ‘Robustness Analysis’ where we check Z&H's results using an alternative empirical procedure. Our analysis strongly confirms Z&H's main finding that competition in the banking sector has an economically negligible effect on financial stability. This result is consistently confirmed across a variety of replication analyses. Most impressively, we confirm their finding even when we analyse a completely independent set of 35 studies not included in Z&H's meta‐analysis. Our results for Z&H's other findings are less supportive. As the first comprehensive replication of a meta‐analysis, this study also provides insights into the robustness of meta‐analysis. We find that meta‐regression analysis, where estimated effects are related to data, estimation, and study characteristics, is sensitive to how data are coded and to the choice of estimation procedure; and that this sensitivity extends to ‘best practice’ estimates.
Literature present conflicting views on the effect of bank competition on financial stability. Some argue that competition increases adverse shocks in the financial system while others argue that it reduces the likelihood of such events. The purpose of this study is to further examine this relationship using a more recent systemic banking crises database of Laeven and Valencia (2018). There are 61 countries which had experienced systemic crises during 1996-2017. This study used Lerner index and Boone indicator as proxy measures of competition and three estimation techniques to estimate the relationship. The results indicate that the effect of competition on financial stability varies with estimation techniques and proxy measures of competition and stability. Lerner index indicates that competition increases financial instability while Boone indicator shows the opposite. Thus, this study concludes with mixed evidence on the relationship between bank competition and financial stability.
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