Table 6 Nonparametric fuzzy regression discontinuity (RD) estimates—education heterogeneity

MSE Optimal

 Bandwidth

2.9

2.6

3.7

4.1

2.6

3.7

2.7

2.6

 Point Estimate

-3.2857

1.3855

0.0857

0.0213

-0.0460

-0.2805

2.1210

2.5760

 Conventional 95% CI

[-7.0057, 0.4344]

[-0.9219, 3.6929]

[-0.3660, 0.5373]

[-0.6758, 0.7184]

[-0.7264, 0.6344]

[-0.9828, 0.4218]

[-4.0528, 8.2947]

[-1.9729, 7.1248]

 Robust Point Estimate

-3.8694

1.2775

0.0917

0.0141

-0.0460

-0.3556

2.4466

2.6951

 Robust 95% CI

[-8.3325, 0.5937]

[-1.4901, 4.045]

[-0.4219, 0.6053]

[-0.8168, 0.8449]

[-0.9154, 0.6873]

[-1.1730, 0.4618]

[-4.9211, 9.8142]

[-2.7263, 8.1164]

 Effective obs L|R

388|455

366|291

561|687

653|470

349|432

561|423

388|447

376|290

CER Optimal

 Bandwidth

1.9

1.8

2.5

2.8

1.7

2.5

1.8

1.8

 Point Estimate

-4.8316

0.7453

0.2397

-0.0471

-0.2286

-0.3634

1.9875

2.4152

 Conventional 95% CI

[-11.2327, 1.5695]

[-1.9656, 3.4563]

[-0.3093, 0.7888]

[-0.7791, 0.6848]

[-1.1782, 0.7211]

[-1.1364, 0.4095]

[-5.8243, 9.7993]

[-3.5042, 8.3347]

 Robust Point Estimate

-5.1041

0.7125

0.2409

-0.0492

-0.2286

-0.3948

2.1492

2.4708

 Robust 95% CI

[-12.0004, 1.7922]

[-2.2071, 3.6320]

[-0.3573, 0.8392]

[-0.8453, 0.7469]

[-1.3160, 0.7705]

[-1.2275, 0.4379]

[-6.2717, 10.5702]

[-3.9067, 8.8483]

 Effective obs L|R

272|297

232|198

403|439

434|337

250|306

379|309

276|312

237|200

Obs L|R

1241|1720

1492|821

1454|2012

1668|911

1251|1968

1469|904

1294|1823

1509|834