Table 6.

Ghana supply response regression with T-GARCH conditional variance.

Variables	Coefficients	Standard error	t-statistic	Prob
C	−229.3345	144.6377	−1.585578	0.1205
Garch	8.723480	9.121039	0.956413	0.3445
G_exchange_rate	0.201918***	0.039784	5.075425	0.0000
G-pesticide(-1)	−0.069696***	0.026696	−2.610706	0.0126
G_rainfall	68.51346	41.18971	1.663363	0.1039
G_rainfall^2	−4.876472	2.933209	−1.662504	0.1040
Producer_price(-1)	0.178352	0.112705	1.582470	0.1212

***, ** & * represents significance at the 1 %, 5 % and 10 % level of probability respectively.

Source: Author's computation, 2023