... commercial banks on the other hand. The key ingredients of the model are the 7 The very short-term money market in the US is called the federal funds m arket.10ECBWorking Paper Series No. 393September ... of the interbank market are crucial for understanding the behavior of the interbank rate. So the supply side of the model closely matches the actual structure of the liquidity management in the ... circumstances.Indeed, such fine tuning operations have been performed very few times, namely at 2 1/6 /2 000, 3 0/4 /2 001, 12and 1 3/9 /2 001, 2 8/1 1/2 001, 4 and 1 0/1 /2 002, 1 8/1 2/2 002 and 2 3/0 5/2 003. Long...