Until a few years ago I concentrated my attention on workers' compensa tion programs in the United States and Canada. Because the United States has 52 programs and Canada has eight, I was exposed to a diversity of approaches that caused me to believe that few other approaches existed. Since 1984 I have become more aware of what the rest of the world has been doing and discovered that my knowledge needed to be broadened significantly. The trigger action was a 1984 faculty research exchange agreement between Keio University in Tokyo and the University of Minnesota that made it possible for me...