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Table 7 The regressions underlying the CCV calculations

From: Public buffer stocks as agricultural output price stabilization policy in Ghana

Market

Crop

Constant

Coeff.

R 2

Policy-off period

 Techiman

Maize

14.322***

0.451***

0.435

(2.366)

(0.067)

 

Rice

23.430***

0.404***

0.438

(2.106)

(0.060)

 

 Tamale

Maize

15.522***

0.506***

0.497

(2.342)

(0.067)

 

Rice

20.003***

0.319***

0.326

(2.111)

(0.060)

 

 Ho

Maize

22.246***

0.599***

0.442

(3.079)

(0.088)

 

Rice

29.440***

0.576***

0.686

(1.794)

(0.051)

 

Policy-on period

 Techiman

Maize

57.856***

-0.066***

0.014

(2.360)

(0.077)

 

Rice

57.192***

0.740***

0.703

(2.071)

(0.068)

 

 Tamale

Maize

39.593***

0.921***

0.499

(3.976)

(0.131)

 

Rice

19.224**

2.555***

0.672

(7.698)

(0.252)

 

 Ho

Maize

49.206***

1.734***

0.472

(8.083)

(0.260)

 

Rice

65.926***

1.908***

0.632

(6.267)

(0.206)

 
  1. Price series as the dependent variable and time trend as the independent variable