There are two main competing theories to explain bank runs. One argues that panics come primarily from lack of confidence on banking sector, originated for example, in the bankruptcy of a big bank. According to this argument, lack of confidence and asymmetric information problems from depositors would induce contagious or self-fulfiling prophecy of bank runs. The other argues that banking crises are part of a cycle that effects both the financial and real sector of the economy. In other words, bank runs is determined by bank fundamentals and economic fundamentals. Using monthly panel data information on Indonesian banks this paper attemps to explain bank runs during the 1997/1998 financial crises. This papaer uses the variation of deposits...