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Sep
15
Callnoc asked:
If we have travel time and travel cost, under what conditions can they be considered as substitues? Under what conditions can they be considered as complements?
Could you please give example in transportation system?
Thanks.
ARCHIE
If we have travel time and travel cost, under what conditions can they be considered as substitues? Under what conditions can they be considered as complements?
Could you please give example in transportation system?
Thanks.
ARCHIE