Teenage Childbearing and the Welfare State

Teenage birth rates differ significantly across developed countries. They are higher in countries with high income inequality and low intergenerational income mobility. We develop an economic theory of parental investments and risky sexual behavior of teenagers. The model is calibrated to match the stylized facts about income inequality, intergenerational mobility, and sexual behavior of teenagers in the United States. We then impose Norwegian taxes and education spendings on the baseline model. The Norwegian welfare state institutions go a long way in explaining the differences in teenage birth rates between the United States and Norway

Workflow Diagnosis Using Petri Net Charts

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STRESS CONCENTRATION DUE TO A SPHERICAL VOID UNDER HERTZIAN CONTACT

The present paper presents the method of estimating the stress concentrator effect of a spherical void from an elastic half-space. An essential part consists in estimation of FEM error by finding the contact pressure from half-plane using an analytical method. Next, the stress concentrator effect of the same void, except for placed into elastic space, is found

Three Empirical Studies in Political Economics

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