Bartos, István; Végh-Vörös, Mária - Keleti Károly Gazdasági Kar, Óbudai Egyetem
In the European union there are two basic models: the ‘Pay As You Go’ system, based on the solidarity, and the system of individual accounts where you will be returned the amount you paid in. The ‘Pay As You Go’ system assures good security for the contribution payers, but very difficult...