This thesis analyzes the relationship between market concentrationand efficiency of the market outcome in a differentiated goodcontext from different points of view. The first chapter introduces the objectives of competition policy and antitrust authorities and outlines the importance of market...

“Light” welfare states were perceived by some as one source of East Asian economicdynamism. Didier Jacobs has examined the strengths of several East Asian socialwelfare systems and the challenges they face after the financial crisis.Japan has a fully-fledged social welfare system. Yet her...

An industry is modeled in which entrepreneurs, who are heterogeneous in ability, may produce formally or informally. It is shown how the formal-informal mix depends on the distribution of ability, product demand and various parameter values...

This paper studies the wealth dynamics of investors holding self-nancing portfolios in a continuous-time model of a nancial market.Asset prices are endogenously determined by market clearing. Wederive results on the asymptotic dynamics of the wealth distributionand asset prices for constant...

State and society responses to China's social welfare needs : an introduction to the debate / Shawn Shieh and Jonathan Schwartz -- Beyond corporatism and civil society : three modes of state - NGO interaction in China / Shawn Shieh -- Social welfare responses in noncrisis situations -- The role...