This article refers to:
Differentials in technical efficiency among smallholder cassava farmers in Central Madagascar: A Cobb Douglas stochastic frontier production approach
B.C. Okoye, A. Abass, B. Bachwenkizi, G. Asumugha, B. Alenkhe, R. Ranaivoson, R. Randrianarivelo, N. Rabemanantsoa and I. Ralimanana
Cogent Economics & Finance (2016), 4: 1143345. http://dx.doi.org/10.1080/23322039.2016.1143345
After the publication of this article the authors realised that the wrong map was included as Figure 1 of the article. The figure showed mapped cyclones in the region instead of the survey region. The correct figure has been replaced in the article online.
short-legendFigure 1. 
The authors apologize for any inconvenience caused.