Dependent

Independents

t-statistic of the estimated User-cost elasticity

t-statistic of the estimated Additionality ratio

Intercept: the publication bias effect

−1.706684***

(0.449262)

2.162046

(0.200625)

1 S e : inverse of standard error or measure of the true empirical effect of R&D tax incentives

−6.30E−05

(0.000366)

−1.23E−05

(2.44E−05)

R-squared and

Adjusted-R squared

0.000121

−0.003960

0.000928

−0.002732

F-statistic

0.029690

0.253457

Number of observations

247

275