Singapore and Malaysian authorities have been clamping down on illegal cross-border transport services.

But despite clear rules banning chartered cars, limousine and private-hire operators continue to shuttle passengers across the border.

Vehicles have been impounded, contracts suspended, and enforcement stepped up. But the market hasn’t disappeared.

What keeps the cross-border business alive despite bans? Can the introduction of new legal services convince passengers to switch from illegal operators? And can regulators strike a balance between enforcement and meeting demand?

On The Big Story, Hongbin Jeong speaks with transport analyst Terence Fan, Assistant Professor of Strategy and Entrepreneurship at Singapore Management University, to find out more.