Bos, Jaap W.B.; Kolari, James W.; Lamoen, Ryan C.R. van - In: Journal of Banking & Finance 37 (2013) 5, pp. 1590-1601
enveloping annual minimum cost frontiers to create a global frontier. The distance to the global frontier constitutes each bank …’s technology gap, which decreases if the bank manages to innovate. Our innovation measure enables us to derive and estimate the … model of Aghion et al. (2005b) at the firm level for the US banking industry. Based on individual bank Call Report data for …