The retail strategy allows companies to constantly tweak their prices in response to changes in the market.

In the first of two programmes, we look at how dynamic pricing works in the airline industry, at ride-hailing companies like Uber and on India’s sprawling rail network.

And we speak to a director of e-commerce at US electronics firm Harman International, who tells us how dynamic pricing has enhanced its business, increasing revenue, margins and making the company more efficient.

Archive of India: Our trains, electric, used courtesy of Made In Manchester.

Presented and produced by: Gideon Long

(Image: The Mumbai to Solapur Vande Bharat Express at Pune India. Credit: Getty Images)