Skip to main content

Table 6 One-sided tests of CCV1 > CCV2 of raw data: between periods–within markets

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

Market

Crop

Policy-off CCV

Policy-on CCV

Change in CCV

Z-statistics

P value

Techiman

Maize

0.319

0.148

0.171

5.191**

0.000

Techiman

Rice

0.223

0.095

0.128

5.863**

0.000

Tamale

Maize

0.287

0.219

0.068

1.889*

0.029

Tamale

Rice

0.269

0.311

0.042

1.520

0.064

Ho

Maize

0.290

0.302

0.012

0.279

0.780

Ho

Rice

0.145

0.168

0.023

1.071

0.285

  1. **Significant at 1%; *Significant at 5%
Back to article page

Agriculture & Food Security

ISSN: 2048-7010