The Six Nations rugby tournament is worth about £30m a year to Edinburgh’s economy.
Edinburgh’s bars, restaurants, hotels and shops all benefit considerably when rugby fans head for matches at Murrayfield stadium.
Economists at the Royal Bank of Scotland, which sponsors the Six Nations, say the tournament is worth £52m to the country
The extra spending generates the equivalent of 430 Scottish jobs.
In Edinburgh alone, RBS has estimated that occupancy rates in hotels jump by almost a quarter.
The study says fans are likely to spend as much as £9m in Scotland’s bars and restaurants, £6m on hotels and other accommodation and £3m in shops.