(Image source from: After betting on royal baby name)

As Duchess of Cambridge, Kate Middleton prepares to give birth to the royal baby, the market experts have predicted there will be a boost in economy if it is a baby princess.

Director of the Center for Retail Research in the England, Joshua Bamfield has said the British economy may boost by $120 million as they calculated the rough sales figure of ladies dresses.

British maternity clothing maker, Seraphine saw a boost in her sales when the duchess wore one of her outfit.

Bamfield had previously estimated a $400 million economic bonanza during the arrival of Prince George in 2013.

"Our view is that any celebrations of 'Baby No. 2' will be low key and we suggest that the boost to retail sales will only be about £80 million sterling, primarily on things like cakes, Prosecco and souvenirs -- mugs, coins and teapots," he told.

"In the longer term, if the new child is a girl, this will give Britain's retailers and designers a bonanza as royal watchers emulate every new piece of babywear, every new dress, et cetera, and it will go on until she is 25 years old," Bamfield said, stressing the hypothetical baby was girl indeed.

- Smrutirekha