On the surface, Greece and Italy seem remarkably alike. Both countries have entrenched patronage networks that predate the European Union by centuries and suffocating regulations and work rules. And both Mr. Papademos, 64, and Mr. Monti, 68, the president of Bocconi University in Milan, have close ties to European Union officials, who are taking a strong hand in managing the affairs of both countries because the fate of the euro hangs in the balance.

Both face daunting changes. In Italy, a new government will be asked to carry out labor and tax reforms and other growth-enhancing measures. It will also have to write a new electoral law.