1. Basic approaches of social security system 1.1. Basic definition of social security system 1.2. Essence and basic attributes of the social security system 1.3. Historical development of social security system 1.4. Basic contents of social security system 2. Basic characteristics and development process of China's social security system 2.1. Basic characteristics of China's social security sy...

We examine optimal taxation and social insurance if insurance markets are imperfect. This requires the development of a theory of labor supply under uncertainty. We show that the case for social insurance is not generally reinforced by adverse selection in insurance markets as social insurance will have welfare-decreasing e ects on the labor market. Furthermore, positive and normative implicati...

The paper examines the recent reforms of health insurance in Chile and Argentina. These partially replace social health insurance with individual insurance administered through the private sector. In Chile, reforms in the early 1980s allowed private health insurance funds to compete for affiliates with the social health insurance system. In Argentina, reforms in the 1990s aim to open up the uni...

This paper analyses the political support for a social insurance that includes elements of redistribution when there exists an imperfect private insurance alternative. Individuals differ both in their income and risk. The social insurance is compulsory and charges an income-related contribution with pooling of risks. The private insurance is voluntary and charges a contribution based on individ...

Background It has been 20 years since the introduction of health insurance in Sudan. This study was the first one that explored health insurance services in Sudan from the perspectives of the insurers. Methods This was a qualitative, exploratory, interview study. The sampling frame was the list of Social Health Insurance and Private Health Insurance institutions in Sudan. Participants were se...

We analyze how insurance arrangements, labor supply, moral hazard and outright cheating are affected by social norms. One question is under what conditions norms may improve social welfare. Another is under what conditions people should be allowed to opt out of social insurance. We introduce an informal production sector to analyze the consequences of alternative assumptions about the informati...

The function of the social insurance system as a key part of the modern social security system is reflected in the operation of social insurance funds. The mode of social insurance funds forms the foundation for the social insurance system. To address the pressure of an aging population and to meet the demands of the rapid development of the capital market (especially in international capital f...

Japan was the first Asian country to introduce social insurance measures and she has expanded them during the last few decades. The first social insurance law was passed in 1922 dealing with worker’s health insurance in general. It was followed by many schemes of social insurance. National Health Insurance in 1938, Seamen’s Insurance in 1939, Employees’ Pension Insurance in 1941 and so forth. A...

The function of the social insurance system as a key part of the modern social security system is reflected in the operation of social insurance funds. The mode of social insurance funds forms the foundation for the social insurance system. To address the pressure of an aging population and to meet the demands of the rapid development of the capital market (especially in international capital f...