In this paper, we define the product architecture as a design concept of a product system which needs complicated coordination among parts to achieve the user's objectives. And we will show that by using a modular architecture we can simplify (i) the functions of the product, and (ii) the...

The paper studies the effects of cross-country differences in the productionprocess of human capital on income distribution and growth. Our overlapping gen-erations economy has the following features: (1) consumers are heterogenous withrespect to parental human capital and wealth; (2)...

The paper studies the determinants of income distribution and growth in an overlapping generations economy withheterogenous households. Our framework has the following main features:heterogeneity of consumers with respect to wealth and parental human capital;intergenerational transfers,...

Over the past decades the college sectors in the higher education systems of many Western countries have expanded their capacities massively. This happened even though colleges have been at a competitive disadvantage with universities which are publicly subsidized, while colleges must...

Demographic trends in most developed economies are characterized by rising longevity and decreasing birthrates. These trends endanger the sustainability of the current public pension systems. Therefore social security reform proposals are on the agenda in many countries. This paper demonstrates...

This paper uses an overlapping generations framework to analyze the implications of different financing regimes in the education sector for human capital formation and economic welfare. Agents privately invest in education after they have received a noisy information signal about their...