Originally Posted by
LASNRT
Does anybody know the reasoning for the price discrepancy?
The discrepancy is an offset of the construction cost.
Originally Posted by
LASNRT
And are people beating this by buying multiple tickets for different sectors on the same train ride? Or am I completely missing something?
Yes.
You are not missing anything - media in Hong Kong have noticed this issue since its service inception. Many suggest transfer at GZ South Station for better pricing.