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Table 4 Difference in ex-ante variables, before matching

From: Can public works programs mitigate the impact of crises in Europe? The case of Latvia

 

Mean

 

Treatment = Control

Variable

Treatment

Control

% bias

t

p > t

Age 18-24

0.094

0.149

−17.0

−3.27

0.00

Age 25-29

0.066

0.084

−6.9

−1.34

0.18

Age 30-39

0.178

0.139

10.7

2.07

0.04

Male

0.383

0.468

−17.3

−3.34

0.00

Household head

0.680

0.678

0.5

0.10

0.92

Spouse of household head

0.204

0.153

13.3

2.56

0.01

Single

0.193

0.252

−14.2

−2.74

0.01

Married

0.331

0.313

3.8

0.74

0.46

Share of members in age 0-5

5.040

6.531

−11.7

−2.25

0.02

Share of members in age 6-17

10.799

10.802

0.0

0.00

1.00

Share of members in age 1864

78.453

77.219

5.0

0.96

0.34

Household size

2.884

2.881

0.2

0.04

0.97

Unemployed 12 months ago

0.439

0.466

−5.3

−1.02

0.31

Secondary education

0.307

0.278

6.3

1.22

0.22

Secondary profession

0.390

0.389

0.1

0.02

0.98

Higher education

0.051

0.075

−10.0

−1.92

0.06

Own a flat

0.343

0.364

−4.4

−0.85

0.40

Own a house

0.152

0.096

16.8

3.24

0.00

House is owned by state

0.240

0.222

4.3

0.82

0.41

House is owned by private entity

0.132

0.185

−14.4

−2.77

0.01

Have other Dwelling in other parts of Latvia

0.084

0.075

3.3

0.63

0.53

House have 1 room

0.229

0.232

−0.8

−0.16

0.87

2 room

0.416

0.416

0.1

0.02

0.99

3 room

0.227

0.251

−5.5

−1.06

0.29

Detached/semi-detached House

0.417

0.437

−3.9

−0.75

0.45

Flat in apartment

0.025

0.025

−0.2

−0.03

0.97

Wooden wall

0.198

0.198

0.1

0.02

0.98

concrete wall

0.227

0.252

−5.8

−1.11

0.27

region==Latgale

0.112

0.149

−11.2

−2.14

0.03

region==Riga

0.186

0.256

−16.9

−3.25

0.00

region==Vidzemes

0.242

0.181

15.1

2.92

0.00

region==Zemgales

0.167

0.165

0.5

0.09

0.93

  1. Note: Standardized bias (SB) for each variable is defined as the difference of sample means in the treated and control subsamples as a percentage of the square root of the average of sample variances in both groups.