Year | First stage | First/Second stage | Second stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Input | Carryover (Input) | Carryover (Undesirable) | Intermediate | Exogenous input | Carryover (Input) | Carryover (Undesirable) | Output | ||||
Staff expenses | Other expenses | Bank premises | Total debts | Deposits | Investments | Interest expenses | Equity | Nonperforming assets | Interest income | Noninterest income | |
Panel A: Frontier projections for reduction in inputs and addition in outputs by year and percentage (%) | |||||||||||
2010 |  − 36.8 |  − 48.2 |  − 6.6 |  − 29.9 | 11.4 | 76.1 |  − 30.2 | 44.2 |  − 50.6 | 19.5 | 273.3 |
2011 |  − 49.5 |  − 32.2 | 8.7 |  − 28.4 |  − 9.7 | 73.9 |  − 16.9 | 28.7 |  − 26.4 | 67.4 | 649.4 |
2012 |  − 20.1 |  − 22.8 |  − 23.9 |  − 24.3 | 22.3 | 92.3 |  − 37.8 | 36.9 |  − 35.3 | 27.1 | 351.6 |
2013 |  − 20.7 |  − 20.3 |  − 20.3 |  − 30.4 | 28.3 | 80.4 |  − 41.7 | 40.8 |  − 34.1 | 36.5 | 337.8 |
2014 |  − 19.0 |  − 20.4 |  − 23.6 |  − 32.2 | 28.7 | 86.5 |  − 40.7 | 40.0 |  − 33.9 | 47.9 | 342.4 |
2015 |  − 19.1 |  − 21.6 |  − 19.5 |  − 34.5 | 30.1 | 71.0 |  − 38.6 | 39.6 |  − 29.5 | 38.9 | 322.2 |
2016 |  − 24.0 |  − 23.9 |  − 24.3 |  − 37.7 | 15.1 | 84.9 |  − 34.5 | 25.7 |  − 37.1 | 18.5 | 249.0 |
2017 |  − 24.2 |  − 21.7 |  − 28.4 |  − 41.6 | 16.8 | 90.4 |  − 32.0 | 23.6 |  − 42.2 | 19.2 | 278.4 |
2018 |  − 26.1 |  − 25.0 |  − 28.0 |  − 41.1 | 9.8 | 114.3 |  − 35.3 | 18.2 |  − 39.7 | 19.9 | 287.7 |
2019 |  − 24.1 |  − 25.3 |  − 21.2 |  − 42.5 | 8.7 | 114.6 |  − 35.1 | 19.5 |  − 43.7 | 21.5 | 248.5 |
2020 |  − 18.7 |  − 27.2 |  − 18.7 |  − 35.9 | 16.9 | 141.9 |  − 39.9 | 7.5 |  − 45.3 | 13.8 | 306.3 |
Panel B: Comparison between bank efficiency in transforming resources to generate profitability (the variables are measured in millions of US dollars) | |||||||||||
Top 4 | 19,946.66 | 49,026.07 | 9,234.25 | 252,923.84 | 871,277.73 | 248,305.95 | 8,261.75 | 128,205.95 | 6,904.00 | 28,103.14 | 31,370.30 |
Bottom 4 | 88.65 | 298.74 | 118.66 | 1,811.22 | 7,329.40 | 1,905.77 | 111.15 | 1,238.27 | 102.87 | 294.43 | 27.45 |