In the United States, gross business fixed investments constitute about 10 percent of the Gross National Product (GNP). Such investments may represent GNP's most important component because: a) plant and equipment have a long-term effect on the economy's productive capacity, b) changes in...

Until recently, most economists viewed the household as a collection of individuals who behave as if in agreement on how best to combine time and goods (purchased or produced at home) to produce commodities that maximize some common welfare index. This model has been extended far beyond standard...