Canadian financial institutions have been in rapid change in the past five years. In response to these changes, the Department of Finance issued a discussion paper: The Regulation of Canadian Financial Institutions, in April 1985, and the government intends to introduce legislation in the fall. This paper studi.es the combinantion of financial institutions from the viewpoint of ruin probability. In risk theory developed to describe insurance companies 1,2,3,4,5J, the ruin probability of a company with initial reserve (capital) u is 6 1 -: -7;;f3 u 1jJ(u) = H6 e H6 (1) Here, we assume that...