Large-scale outward migration is one of the symptoms of slow progress in development and low expectations of employment and higher living standards at home. Nevertheless, for many developing countries, remittances of migrants working abroad have become an important source of foreign exchange....

Economic sustainability or intergenerational equity entails maintaining social well being by decisions about investments in different types of asset. Under certain conditions, consumption can be sustained by depleting resources, or various kinds of natural capital, while building up other kinds...