Figure 2
The conceptual model places the Buyer at the top, Potential supplier 1 at the lower left, Potential supplier 3 at the lower right and Potential supplier 2 below them. Bidirectional arrows connect the Buyer with Potential supplier 1 and Potential supplier 3. A vertical connection also links the Buyer and Potential supplier 2. Potential supplier 1 and Potential supplier 3 are connected horizontally in both directions. Potential supplier 1 and Potential supplier 2 are connected diagonally in both directions, as are Potential supplier 3 and Potential supplier 2. A legend identifies the arrow as Drawing boundaries.Buyer’s and potential suppliers’ boundary enactment in the pre-tender phase
Source: Authors’ own work