個案總覽

A growing middle class in the Arab world yearns for progress and modernity, but has no interest in abandoning its religious traditions. Companies that gloss over the interplay between culture and religion ignore a critical factor for success in the region.

Despite Africa's regional poverty, the continent's gross national income per capita is greater than India's. That represents a huge potential market for enterprises worldwide.

Immigrants in developed countries who send money to and buy goods for relatives in the developing world are creating a vast new international market.

Seven steps assist managers in evaluating an existing portfolio model or in designing an idiosyncratic approach: establishing the level and unit of analysis; identifying the relevant dimensions; determining the relative importance of the dimensions; constructing a matrix; locating the products or businesses on the relevant portfolio dimensions; projecting the likely position of each product or business on the dimensions; and selecting the desired position for each existing and new product and deciding how to allocate resources among these products.