Appendix
Table 1: Summary Statistics
description |
count |
mean |
min |
max | |
agoa coefficient |
agoa coefficient reported in studies |
174 174 174 |
16.874 20.383 4.137 |
-11.92 0.000360 -7.579 |
769.5 1097.127 307.500 |
t statistic reported (if not, standarderror ) | |||||
Imputed T-stats from pvalues |
t-statistics calculated from inverse t-distribution |
25 |
-0.523 |
-1.656 |
2.333 |
no. of countries |
number of countries in study |
174 |
66.126 |
1 |
207 |
no. of years |
number of years of data |
174 |
11.989 |
1 |
18 |
no. of explanatory variables |
number of explanatory variables (excluding |
174 |
11.161 |
2 |
37 |
N |
sample size |
174 |
3.27e+05 |
92 |
9.54e+06 |
annual = 1 |
dummy if data is annual |
174 |
0.839 |
0 |
1 |
selection correction = 1 |
dummy if selection correction was used |
174 |
0.034 |
0 |
1 |
published = 1 |
dummy for published studies |
174 |
0.494 |
0 |
1 |
country effects = 1 |
dummy if regression includes country effects |
174 |
0.695 |
0 |
1 |
time effects = 1 |
dummy if regression includes time effects |
174 |
0.621 |
0 |
1 |
cross section = 1 |
dummy if data is a cross-section |
174 |
0.029 |
0 |
1 |
other preferences included = 1 |
dummy if regression includes other preferences |
174 |
0.437 |
0 |
1 |
gravity regression = 1 |
dummy if gravity regression is used |
174 |
0.511 |
0 |
1 |
agoa dummy = 1 |
dummy if agoa is defined as a 0,1 dummy |
174 |
0.977 |
0 |
1 |
robust s.e. = 1 |
dummy if White’s heteroscedastic-consistent standard are used |
174 |
0.431 |
0 |
1 |
product effects = 1 |
dummy if product effects are included in the regression |
174 |
0.161 |
0 |
1 |
single country analysis = 1 |
dummy if data is on a single country |
174 |
0.057 |
0 |
1 |
logged dep. var. = 1 |
dummy if dependent variables is in logs |
174 |
0.868 |
0 |
1 |
product group = ”All/Total” |
dummy for total/all products |
174 |
0.408 |
0 |
1 |
product group = ”Apparel & Textiles” |
dummy for apparel and textile products in regression |
174 |
0.092 |
0 |
1 |
product group = ”Agriculture” |
dummy for agriculture |
174 |
0.167 |
0 |
1 |
regions included = AGOA countries |
dummy if only agoa countries are used in regression |
174 |
0.552 |
0 |
1 |
regions included = AGOA + N. Africa |
dummy if Africa is used in the regression |
174 |
0.126 |
0 |
1 |
definition of dep. var. = Exports |
dummy if exports are used as dependent variable |
174 |
0.489 |
0 |
1 |
definition of dep. var. = Imports |
dummy if imports are used as dependent variable |
174 |
0.477 |
0 |
1 |
time frequency = Annual |
dummy if data is annual |
174 |
0.839 |
0 |
1 |
time frequency = Monthly |
dummy if data is monthly |
174 |
0.057 |
0 |
1 |
econometric method = GMM |
dummy if a GMM approach is used |
d 174 |
0.213 |
0 |
1 |
econometric method = Heckman/Tobit |
dummy if Heckman/Tobit model is used |
174 |
0.287 |
0 |
1 |
reference category is other |
dummy if dependent variable is aggregated |
174 |
0.609 |
0 |
1 |
level of aggregation = Less Aggregate |
dummy if dependent variable is less aggregated |
174 |
0.184 |
0 |
1 |
start year of data |
dummy for initial year of data |
174 |
1994.483 |
1991 |
2001 |
end year of data |
dummy for final year of data |
174 |
2005.489 |
2001 |
2009 |
Observations |
_ |
174 |
20
More intriguing information
1. Non Linear Contracting and Endogenous Buyer Power between Manufacturers and Retailers: Empirical Evidence on Food Retailing in France2. Return Predictability and Stock Market Crashes in a Simple Rational Expectations Model
3. Optimal Taxation of Capital Income in Models with Endogenous Fertility
4. Non-causality in Bivariate Binary Panel Data
5. Placentophagia in Nonpregnant Nulliparous Mice: A Genetic Investigation1
6. The name is absent
7. The name is absent
8. Influence of Mucilage Viscosity On The Globule Structure And Stability Of Certain Starch Emulsions
9. New Evidence on the Puzzles. Results from Agnostic Identification on Monetary Policy and Exchange Rates.
10. The name is absent