Overall economies of scale

Firm

Mean

Std.Dev.

Minimum

Maximum

Hokkaido

35.658

18.892

19.553

95.343

Tohoku

32.805

19.732

17.106

97.198

Tokyo

31.610

16.472

16.815

83.033

Chubu

35.346

18.409

18.168

93.520

Hokuriku

38.365

21.476

20.890

108.251

Kansai

34.213

18.421

19.016

94.478

Chugoku

35.474

19.405

17.694

94.531

Shikoku

32.888

17.845

18.511

89.100

Kyushu

32.885

15.050

18.201

77.712

All

34.360

18.397

16.815

108.251