Analysis reveals that increased processing raises freight costs, especially for air shipping.
The freight factor often increases with processing. The author considers possible reasons for this. The most important is found to be that processed goods are more often sent by air.
No takes yet. Share an insight, caveat, or question.
H. McFarland (1984) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: