THE ANDEAN PRICE BAND SYSTEM: EFFECTS ON PRICES, PROTECTION AND PRODUCER WELFARE

Product

Country

Summary Statistics

Entire Pd.¹
(1)

Pre-APBS
(2)

APBS Pd.
(3)

^CV apbs^-
CV pre-apbs
(4)

t-values³
(5)

F-Values³
(6)

Maize

Ecuador

Average

Standard Deviation

Coefficient of Variation

81,087.06

11,803.15

14.56%

84,344.38

10,816.72

12.82%

76,349.13

10,219.97

13.39%

0.56%

2.643***

1.351ns

Venezuela

Average

Standard Deviation

Coefficient of Variation

6,377.77

984.46

15.44%

6,545.95

679.05

10.37%

6,133.16

1,187.52

19.36%

8.99%

1.713*

_ _ _ ***

3.091

Rice

Colombia

Average

Standard Deviation

Coefficient of Variation

71,178.31

5,798.31

8.5%

72,417.70

5,135.41

7.09%

69,375.55

3,012.15

4.34%

-2.75%

_ _ _***

2.640

____**

2.239

Ecuador

Average

Standard Deviation

Coefficient of Variation

105,400.22

12,429.57

11.79%

105,154.27

10,140.80

9.64%

105,757.97

7,954.49

________7.52

-2.12%

0.202ns

_ _ **

2.540

Venezuela

Average

Standard Deviation

Coefficient of Variation

6,640.53

1,079.44

16.26%

6,728.56

876.23

13.02%

6,512.49

889.31

13.66%

0.63%

0.918ns

1.001ns