Knowledge@Wharton has an interesting article on the rising rupee on the Indian economy in general and another on how Indian IT companies had better change their business models in order to cope. Instead, Indian firms should take advantage of this opportunity to adapt their business models. How can they do that? While the details of the two industries are quite different, the Japanese automobile industry can suggest some answers. Consider what leading Japanese firms like Toyota did as the yen strengthened against the dollar. For product lines where they made the highest margins, such as the Lexus, they continued production in Japan. However, for lower-priced models -- where their profit margins were lower and would have been eroded further by the rising yen -- they moved production to the U.S. They protected their margins on non-premium products by moving production -- and therefore shifting costs -- into dollar-denominated areas. They also reduced their vulnerability to further appre...