This paper evaluates the effectiveness of the private sector maize marketing system in Malawi using threshold autoregression models. Two dimensions of maize market performance are evaluated: (1) inter-regional trade and spatial price transmission; and (2) storage and seasonal price...

Policies regulating the international grain trade in Southern Africa (SA) are motivated by uncertainty regarding private sector performance and, in turn, private sector performance is generally constrained by the policy environment. We study spatial price transmission between SA maize markets...