Table 2

Estimated coefficients and diagnostics of ordinary least squares regression models

NoVariableOECDReview downloadsSummary views
MinMaxEmbedded Image95% CIP valueEmbedded Image95% CIP value
0Embedded Image — —–28.33−39.16 to 17.49<0.01–33.86−50.37 to 17.36<0.01
1Embedded Image9.2411.670.480.15 to 0.82<0.010.46−0.06 to 0.970.08
2Embedded Image12.7019.580.640.44 to 0.85<0.010.900.59 to 1.21<0.01
3Embedded Image5.3212.250.340.16 to 0.51<0.010.25−0.02 to 0.530.07
4Embedded Image3.794.590.41−0.01 to 0.820.060.730.11 to 1.350.02
5Embedded Image4.324.423.941.57 to 6.30<0.014.360.77 to 7.950.02
6Embedded Image0.031.82–0.28–0.53 to 0.030.03–0.38–0.75 to 0.010.04
7Embedded Image0.007.130.240.06 to 0.420.010.06−0.22 to 0.340.67
8Embedded Image–2.308.690.120.07 to 0.17<0.01
9Embedded Image011.640.98 to 2.30<0.010.27−0.75 to 1.290.60
10Embedded Image01–0.09−0.78 to 0.600.80–0.38−1.44 to 0.680.48
11Embedded Image010.760.24 to 1.27<0.01
12Embedded Image012.461.41 to 3.51<0.010.30−1.28 to 1.880.71
Dependent variableEmbedded ImageEmbedded Image
Standard deviation (all 158 countries)2.683.14
Standard deviation (all 34 OECD countries)2.141.70
No of countries158158
Fitting: share of variance explained0.850.74
Prediction: RMSE in cross-validation…
…for all 158 countries1.121.76
…for all 34 OECD countries0.881.06
All 8 free-access countries0.210.94