Wellbeing' and 'welfare' are often bracketed together, in particular wellbeing and state-welfare. The level of wellbeing is believed to be higher in welfare states, and its distribution more equitable. This theory is tested in a comparative study of 40 nations 1980-1990. The size of state welfare is measured by social security expenditure. The wellbeing of citizens is measured in terms of the d...

Security breaches often stem from business partner failures within the value chain. There have been several recent efforts to develop a common reference for rating the information risk posed by partners. We develop a simple analytical model to examine the impact of such information security ratings on service providers, customers, and social welfare. While some might believe that ratings would ...

Security breaches often stem from business partner failures within the value chain. There have been several recent efforts to develop a common reference for rating the information risk posed by partners. We develop a simple analytical model to examine the impact of such information security ratings on service providers, customers, and social welfare. While some might believe that ratings would ...

Security breaches often stem from business partner failures within the value chain. There have been several recent efforts to develop a common reference for rating the information risk posed by partners. We develop a simple analytical model to examine the impact of such information security ratings on service providers, customers, and social welfare. While some might believe that professional i...

Security breaches often stem from business partner failures within the value chain. There have been several recent efforts to develop a common reference for rating the information risk posed by partners. We develop a simple analytical model to examine the impact of such information security ratings on service providers, customers, and social welfare. While some might believe that ratings would ...

Studies examining the relationship between globalisation and the welfare state tend to focus on the effects of economic dimensions of globalisation, the extent to which a country is part of the world market. Globalisation also has a social and political dimension and their effects on welfare states – in terms of social security transfers and generosity – are studied in this article. Data from t...

This paper studies the role of social security in providing annuity insurance. I calculate the welfare cost of adverse selection in the annuity market using a life cycle model in which individuals have private information about their mortality. I calibrate the model to the current U.S. social security replacement ratio, fraction of annuitized wealth and mortality heterogeneity in the Health and...