In this paper, we develop a dynamic politico-economic theory of social security to address two questions. First, how is social security sustained? Second, how does inequality affect the size of social security, and can the theoretical predictions be consistent with the observed puzzling...

China has been growing at a high rate and has at the same time accumulated a staggering foreign surplus. We construct a theory that explains these seemingly puzzling observations, while being consistent with salient features of the Chinese growth experience since 1992: high output growth,...

more dispersed beliefs about future economic conditions.

sufficiently large, the economy converges to a stationary debt level which is bounded away from the endogenous debt limit.