How Hungary led a business revolution
12 May 2014 Last updated at 12:31 BST
Of all the countries in Europe's communist Eastern Bloc, Hungary was the most liberal.
Small enterprises were allowed as early as 1982.
So when communism collapsed in 1989 in some ways it had a head start in the race to create a market economy.
Tanya Beckett has gone to Budapest to find out what happened next, and the lessons to be learned.