Self-Help Groups and Income Generation in the Informal Settlements of Nairobi



Table 2: Earnings functions

Dependent variable: hourly earnings from group (ln)

[1]         [2]

[3]

[4]

[5]

Female

-.134   -.130

-.123

-.136

-.135

(.116) (.119)

(.121)

(.119)

(.119)

Married

-.094   -.087

-.085

-.092

-.086

(.070) (.069)

(.070)

(.073)

(.073)

Age

.056** .059**

.054**

.059**

.060**

(.019) (.019)

(.023)

(.019)

(.019)

Age squared(a)

-.065** -.069**

-.063**

-.069**

-.070**

(.023) (.022)

(.026)

(.023)

(.023)

Educ1-8

.001    -.001

.018

.014

.021

(.173) (.169)

(.184)

(.180)

(.179)

Educ Form1-4

-.223   -.228

-.204

-.221

-.204

(.179) (.175)

(.196)

(.183)

(.183)

Educ Advanced

-.097   -.093

-.063

-.091

-.071

(.195) (.192)

(.203)

(.198)

(.199)

# years in group

.018

.004

.012

.022

(# years in group)^2(a)

(.052)

(.053)

(.053)

(.054)

-.008

.064

.024

-.034

(.318)

(.321)

(.322)

(.327)

# years resident

-.009**

-.008**

-.009**

-.008*

(.004)

(.004)

(.004)

(.004)

ln Income before group

.011

(.012)

Kikuyu

.081

-.066

(.135)

(.141)

Luo

-.054

-.115

(.146)

(.170)

Kamba

-.113

-.089

(.160)

(.157)

Dominant language

-.158

(.130)

Chair’s language

.128

(.125)

Constant

1.665** 1.652**

1.691**

1.795**

1.686**

(.407) (.440)

(.454)

(.419)

(.428)

No. obs.

301    301

298

301

301

Adj. R2_________________

.72      .72

.73

.72

.72

Notes: Table reports estimated OLS coe‰ients. Robust standard errors in parenthesis.

* denotes significance at the 10 percent level, ** at the 5 percent level.

All regressions include GROUP fixed effects.

(a) Coe‰ients and standard errors multiplied by 100.

24



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