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The Future of Smallholder Farming in Eastern Africa - Uganda ...

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Table 5.8: Results <strong>of</strong> stationary test<br />

No <strong>in</strong>tercept and<br />

Gra<strong>in</strong> type<br />

trend<br />

1. Teff<br />

With <strong>in</strong>tercept<br />

only<br />

With <strong>in</strong>tercept and<br />

trend<br />

(a) Wholesale<br />

price<br />

Adda teff -6.12 -6.19 -6.25<br />

Wollenkomi teff -8.11 -8.08 -8.05<br />

Bechena teff -6.15 -6.25 -6.23<br />

(b) Retail price<br />

Adda teff -8.26 -8.22 -8.18<br />

Wollenkomi teff -8.34 -8.30 -8.27<br />

Bechena teff -5.09 -5.19 -5.17<br />

2. Wheat<br />

(a) Wholesale<br />

price<br />

Wheat first -3.22 -3.22 -3.36<br />

Wheat second -5.46 -5.60 -5.58<br />

Wheat third -3.10 -3.15 -3.10<br />

(b) Retail price<br />

Wheat first -3.31 -3.48 -3.52<br />

Wheat second -4.40 -4.57 -4.60<br />

Wheat third -4.04 -4.15 -2.52<br />

3. Maize<br />

(a) Wholesale<br />

price<br />

White maize -5.56 -5.79 -5.79<br />

Maize mixed -5.36 -5.60 -5.60<br />

(b) Retail price<br />

White maize -4.58 -4.73 -4.75<br />

Maize mixed -4.69 -4.82 -4.85<br />

Critical values<br />

1% -2.58 -3.49 -4.04<br />

5% -1.94 -2.89 -3.45<br />

10% -1.62 -2.58 -3.15<br />

Note: <strong>The</strong> figures <strong>in</strong> the table refer to ADF test statistics with a four-period lag. <strong>The</strong> tested<br />

hypothesis is: H0: Non-stationary and the alternative is H 1: Stationary.

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