In this paper, I develop a quantitative macroeconomic model with endogenous health and endogenous longevity and use it to study the impact of Social Security on aggregate health spending. I find that Social Security increases the aggregate health spending of the economy via two channels. First,...

This paper studies the effects of health shocks on the demand for health insurance and annuities, precautionary saving, and the welfare implications of public policies in a simple life-cycle model. I show that when the health shock simultaneously increases health expenses and reduces longevity,...

Economists and demographers have long argued that fertility differs by income (differential fertility), and that social security creates incentives for people to rear fewer children. Does the effect of social security on fertility differ by income? How does social security change the...

In this paper, I argue that an important cause of the postwar baby boom in the US was the dramatic reduction in government debt (via income taxation) in the two decades following WWII. A reduction in government debt (via income taxation) increases fertility by changing the tax burden of...

According to the latest amended agricultural economic statistical data from 1996 to 2009 in Henan Statistical Yearbook-2010，by selecting and establishing the optimized grey model of logarithmic new developed coefficient, we conduct the empirical analysis and forecast research on the grain...

The traditional model of household labour supply incorporates leisure into preferences rather than focusing on how relative costs of production at home and via market activity determine market labour supply. In part, this reflects the lack of simple closed form solutions for the home production...

In this note we reconsider the paper of Brod and Shivakumar (1999), published in the Journal of Industrial Economics, who analyze a two- stage model in which the firms compete in two dimensions and examine the effect of semi-collusion when the non-production activity is R&D. They shed light on...

The purpose of this paper is to formalize the choices of market entry strategy (Export Vs Greenfield investment Vs Cross border M&A) and the target selection (Acquisition of high-productivity firm or low-productivity one) for a foreign firm, and to delineate the relationship between foreign...

According to the latest revised agricultural economic statistical data in China Statistical Yearbook-2010, by selecting and establishing the square root-treated grey model, the empirical analysis and forecast research on the grain output of China from 201 1 to 2015 are conducted. The results...

In order to analyze the relation between agricultural input factors and economic growth in Anhui Province, the evaluation index system of agricultural input is built from the perspectives of subject, object and tools based on grey system theory. The government investment in agricultural science...