Table 1 Descriptive statistics of main variables.

From: When the customers comes to you: mobile apps and corporate investment efficiency

Variant

Sample

Mean

Std. dev

Min

Max

Inefficient

545

0.0262

0.0229

0.0004

0.1272

Over I

238

0.0282

0.0295

0.0002

0.1398

Under I

307

0.0250

0.0171

0.0005

0.0675

PT

545

0.0022

0.0062

0

0.0612

TT

545

0.0696

0.3454

0

3.5078

NT

545

0.6424

2.1996

0

15.937

Size

545

23.403

1.8619

20.196

27.120

Leverage

545

0.4328

0.2255

0.0462

1.1180

Liquidity

545

2.3069

2.2910

0.1879

15

Cash

545

0.1787

0.1751

0.0053

0.8049

TobinQ

545

3.7927

4.0886

0.6949

58.7620

Admin

545

19.698

1.6997

16.300

23.5565

Duality

545

0.4477

0.4977

0

1

  1. The final panel dataset includes 545 observations from January 1, 2014, to June 30, 2019, with 238 and 307 observations for the overinvestment and underinvestment samples, respectively.