Table 2 Descriptive statistics for the variables in the DEA models

Input variable

Labor, x₁

693

3,154

1,619

697

Physical capital, x₂

8,336

220,078

58,883

41,046

Financial capital (deposits), x₃

362,887

10,585,228

2,570,268

1,857,152

Output variable

Bank’s portfolio, y₁

11,144

1,947,637

417,482

428,429

Loans, y₂

402,348

9,393,664

2,608,455

1,848,771

Interbank loans, y₃

38,479

1,733,488

358,776

317,235

Off-balance sheet commitment, y₄

0

6,824,186

1,794,633

1,268,340