Table 2. Nominal Protection Coefficients (NPCs) for Selected Products in Colombia, Ecuador
and Venezuela: Pre-Andean Price Band System and Andean Price Band System Periods
Country |
Product |
Period |
N |
Average |
t-test______ |
Columbia |
Rice |
Pre-APBS APBS_______ |
64 44 |
0.99 1.24 |
7.025*** |
Sugar |
Pre-APBS APBS_______ |
64 39 |
1.09 1.41 |
6.131*** | |
Milk |
Pre-APBS APBS_______ |
64 35 |
1.35 1.66 |
4.483*** | |
Ecuador |
Maize |
Pre-APBS APBS_______ |
64 44 |
1.52 1.60 |
1.000ns |
Rice |
Pre-APBS APBS_______ |
64 44 |
1.07 1.20 |
3.602*** | |
Sugar |
Pre-APBS APBS_______ |
64 44 |
0.98 1.28 |
6.964*** | |
Milk |
Pre-APBS APBS_______ |
64 44 |
1.13 1.16 |
0.626ns | |
Venezuela |
Maize |
Pre-APBS APBS_______ |
64 44 |
1.08 1.30 |
4.817*** |
Rice |
Pre-APBS APBS_______ |
64 44 |
1.25 1.55 |
6.307*** | |
Sugar |
Pre-APBS APBS_______ |
64 44 |
1.16 1.34 |
3.312*** | |
Milk |
Pre-APBS |
64 44 |
1.43 1.61 |
3.009*** |
***Difference between means across periods is statistically significant at the 1% level;
** 5% level; *10% level, or ns = not significant.
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