Amounts invested and subsequent IPR stocks

 

Dependent variable:

Subsequent patent stock (logged)

Subsequent trade mark stock (logged)

Amounts invested (logged)

0.009***

0.020***

(0.001)

(0.001)

Previous patent stock (logged)

0.357***

(0.002)

Previous trade mark stock (logged)

0.397***

(0.003)

Controls: company sector and country

  

Observations

115,086

115,086

R2

0.304

0.32

Adjusted R2

0.304

0.319

Residual Std. Error (df = 115040)

0.399

0.49

F Statistic (df = 46; 115040)

1,092.288***

1,174.445***

 
 

Dependent variable:

Subsequent patent stock (logged)

Subsequent trade mark stock (logged)

Amounts invested (logged)

0.014***

0.029***

(0.001)

(0.001)

Previous patent stock (logged)

0.341***

(0.003)

Previous trade mark stock (logged)

0.291***

(0.004)

Controls: company sector and country

  

Observations

65,703

65,703

R2

0.295

0.251

Adjusted R2

0.294

0.25

Residual Std. Error (df = 65661)

0.439

0.481

F Statistic (df = 42; 65661)

653.113***

523.662***

 
 

Dependent variable:

Subsequent patent stock (logged)

Subsequent trade mark stock (logged)

Amounts invested (logged)

0.003***

0.010***

(0.001)

(0.001)

Previous patent stock (logged)

0.376***

(0.004)

Previous trade mark stock (logged)

0.448***

(0.004)

Controls: company sector and country

  

Observations

30,362

30,362

R2

0.332

0.378

Adjusted R2

0.331

0.377

Residual Std. Error (df = 30322)

0.338

0.472

F Statistic (df = 40; 30322)

377.149***

459.838***

 
 

Dependent variable:

Subsequent patent stock (logged)

Subsequent trade mark stock (logged)

Amounts invested (logged)

0.002

0.013***

(0.001)

(0.002)

Previous patent stock (logged)

0.359***

(0.005)

Previous trade mark stock (logged)

0.496***

(0.006)

Controls: company sector and country

  

Observations

16,134

16,134

R2

0.326

0.441

Adjusted R2

0.324

0.439

Residual Std. Error (df = 16094)

0.320

0.535

F Statistic (df = 40; 16094)

194.575***

317.226***