We set out dollar-valued net national product for an economy with a wasting essential stock (oil deposit). We take up `maintaining capital intact' and locally unchanging consumption. The percentage change in `net investment' or `genuine savings,' relative to the market rate of interest, denotes...

We set out a model of a small open economy exporting oil and a traditional exportable in return for produced capital. The small open economy also has local production of a non-traded good. We first observe that the size of the traditional export sector declines with an exogenous increase in the...

Poor farmers in developing countries need access to affordable high-quality seed of improved crop varieties to improve their incomes and reduce malnutrition. Vegetables are vital for balanced nutrition, particularly in Africa, where production has been almost static for decades, per capita...