Table 3: Cross section 2005
Indep. variables |
Negative Binomial |
Zero-Inflated Negative Binomial | ||
MNE |
NEWMNE |
MNE |
NEWMNE | |
TAX |
-2.514*** |
-2.594*** |
-1.571*** |
-4.578* |
(0.332) |
(0.894) |
(0.448) |
(2.482) | |
SKILL |
0.612*** |
1.296*** |
0.775*** |
1.016*** |
(0.069) |
(0.179) |
(0.084) |
(0.351) | |
POPDEN |
1.115*** |
0.873*** |
0.621*** |
0.982 |
(0.099) |
(0.279) |
(0.122) |
(0.717) | |
AREA |
1.198*** |
1.024*** |
0.797*** |
0.899*** |
(0.032) |
(0.079) |
(0.051) |
(0.256) | |
IDEPRAT |
1.727** |
3.936 |
2.044 |
7.273* |
(0.873) |
(2.73) |
(1.254) |
(3.759) | |
BUILT |
0.762*** |
0.932* |
0.732*** |
0.324 |
(0.167) |
(0.480) |
(0.189) |
(0.819) | |
INV |
-0.002 |
0.02 |
-0.09 |
0.051 |
(0.042) |
(0.133) |
(0.055) |
(0.301) | |
EAST |
-0.789*** |
-1.033*** |
-1.178*** |
-1.856*** |
(0.124) |
(0.327) |
(0.132) |
(0.521) | |
constant |
-12.24*** |
-10.65*** |
-5.77*** |
-12.84 |
(1.061) |
(2.723) |
(1.37) |
(8.04) | |
α |
1.12 |
1.852 |
0.648 |
1.10 |
(0.079) |
(0.391) |
(0.087) |
(0.193) | |
Wald test (χ2) |
4909.2 |
1001.6 |
1328.43 |
125.7 |
p-value |
0.000 |
0.000 |
0.000 |
0.000 |
Pseudo log-likelihood |
-5676.71 |
-932.82 |
-5571.01 |
-916.93 |
Observations |
11208 |
11208 |
11208 |
11208 |
Nonzero obs. |
1631 |
229 |
1631 |
229 |
Marginal effect |
-0.17*** |
-0.008*** |
-0.22*** |
-0.05* |
(0.02) |
(0.003) |
(0.06) |
(0.02) |
Notes: 1. Robust standard errors reported in parentheses.
2. All explanatory variables are in logs and lagged once (i.e. the values are for 2004).
3. The inflation model of the Zero-Inflated Negative Binomial model is a logit, the regres-
sors are the same as in the main specification. Results available upon request.
4. Marginal effect evaluated at the sample mean. Standard errors in parentheses, for
the derivation see appendix. *, **, and *** indicate significance at 10%, 5%, and 1%,
respectively.
28
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