We develop an endogenous fertility model of social stratification with two hereditary classes: warriors and peasants. Our model shows that the extra cost warriors must incur to raise their children and to equip them for war is the key determinant of (1) the relative sizes of both classes, and...

This edition is devoted to the issue of poverty. Growth of prosperity is not distributed evenly among the Polish citizens, and some of them still cannot satisfy even basic needs. The improvement of an overall economic situation reduces risk of poverty in general. However, in case the risk...