Table 2 Comparison between OLS and IV estimates

Aggregated

OLS

0.0765

0.1148

0.1065

0.2269

0.1465

0.1284

OLS

(0.0035)

(0.0037)

(0.0068)

(0.0115)

(0.0052)

(0.0063)

IV

0.0832

0.1202

0.1006

0.3173

0.1738

0.1287

IV

(0.0044)

(0.0077)

(0.0099)

(0.0367)

(0.0130)

(0.0108)

Low-skilled

OLS

0.0497

0.3913

0.5605

0.5897

0.5104

0.5041

OLS

(0.0190)

(0.0246)

(0.0411)

(0.1770)

(0.0297)

(0.0247)

IV

0.1842

0.4884

0.8631

−18.9794^a

0.6707

0.5780

IV

(0.0526)

(0.0507)

(0.0601)

(24.7456)

(0.0678)

(0.0353)

Medium skilled

OLS

0.0698

0.1041

0.1146

0.0694

0.0761

0.1136

OLS

(0.0042)

(0.0038)

(0.0037)

(0.0058)

(0.0053)

(0.0040)

IV

0.0701

0.1067

0.1111

0.0808

0.0863

0.1105

IV

(0.0052)

(0.0044)

(0.0037)

(0.0070)

(0.0074)

(0.0037)

High-skilled

OLS

0.0612

0.0785

0.0304

0.1007

0.0422

0.0317

OLS

(0.0067)

(0.0132)

(0.0091)

(0.0125)

(0.0138)

(0.0089)

IV

0.0859

0.0864

0.0485^a

0.1193

0.1049^a

0.0607^a

IV

(0.0144)

(0.0191)

(0.0260)

(0.0215)

(0.0641)

(0.0383)