A paper by social psychologists proclaimed that, for UK citizens, it could be shown that being born in the summer half-year was associated with a significantly higher belief in being lucky, compared with being born in the winter half-year. Are we that much determined by nonsocial forces? A test...

<Para ID="Par1">Many developing countries have introduced social health insurance programs to help address two of the United Nations’ millennium development goals—reducing infant mortality and improving maternal health outcomes. By making modern health care more accessible and affordable, policymakers hope...</para>

C1; C3; I1 </AbstractSection> Copyright Härkänen et al.; licensee Springer. 2013

Sample selection models, variants of which are the Heckman and Heckit models, are increasingly used by political scientists to accommodate data in which censoring of the dependent variable raises concerns of sample selectivity bias. Beyond demonstrating several pitfalls in the calculation of...

We use individual level data from eight waves of the China Health and Nutrition Survey during 1991–2011 to investigate age profiles of health expenditure for rural and urban residents in the People's Republic of China (PRC). Employing a two-part model, we find that health expenditure of rural...

In this paper, we contribute to the empirical literature on household finances by introducing a Bayesian bivariate two-part model. With correlated random effects, the proposed approach allows for the potential interdependence between the holding of assets and debt at the household level and also...