Centre for Retail Research aid that the royal baby boy would generate US$373 million retail boom until August 31.
The delivery of Duchess of Cambridge's royal baby boy was expected to spark baby boom and copy Kate effect within the next few months.
Raising a prince was basically like raising ordinary children, except much expensive.
Memorabilia production will begin once William and Kate give the go signal to UK manufacturers.
The royal baby betting frenzy was the biggest non-sporting betting event in the company's history, said Coral.
A report in Reuters called the royal baby's arrival as a $380-million stimulus package for the struggling British economy.
Duchess of Cambridge gave birth to the historic and lavish St. Mary's Hospital's Lindo Wing where the highest quality of care was given for US$15,659.
Prince William and Duchess Kate's first baby boy was born today at 4:24pm local time in the private wing of London's St. Mary's Hospital.