We study an economy in which firms use labor and various vintages of capital in a CES production function for the final good. We explicitly solve for the investment in capital of a given vintage as a function of its age, and for the resulting stocks of capital. We show that for reasonable parameter values, inverted-U-shaped dynamics of investment and S-shaped dynamics for capital arise in equil...

Dynamic computable general equilibrium (CGE) models, such as the MONASH model developed at the Centre of Policy Studies, typically use complex dynamic investment mechanisms to generate dynamic growth paths. Even so, these models don’t account for corporate finance and corporate taxation in determining investment outcomes. This paper provides final results from a work program aimed at imposing c...

This paper incorporates human capital into the well-established portfolio theory by allowing for job security in personal portfolio choice. Our model predicts that young people hold more cash to hedge against risk associated with human capital (layoff risk). As people age, layoff risk decreases, and consequently, they invest in more risky assets – stocks in their portfolios. However, as people ...

This paper studies optimal public debt in a dynastic model with human capital externalities that cause human capital investment (fertility) to be below (above) its socially optimal level. By reducing fertility and raising human capital investment, the optimal debt can exceed 10% of output for plausible parameterizations. r 2005 Elsevier B.V. All rights reserved. JEL classification: E60; H63; O41

This paper studies demographic variation in social capital investment. A specific focus is the effect of income on social capital. Findings show that once the endogeneity of income is accounted for, it does not seem to have an independent effect on social capital investment.

Empirical analysis of firm-level investment in research and development (R&D) and its effect on innovation patterns and productivity has advanced as a result of innovation surveys in many countries. The weak link in the analysis of these surveys is the empirical model of firm R&D choice. In this paper we summarize how a dynamic, structural model of firm investment can be used to estimate firm d...

Resource-based theory views the firm as a bundle of resources administrated and coordinated by managers. We introduce the theoretical lens of Penrose effect to IS research, which refers to the fact that finite managerial capacities will suffer if the complexity of resource coordination is high. Therefore, although investment in knowledge-related assets, such as information technology (IT) and h...

PURPOSE OF THIS STUDY Basic pension fund in China began investing in the capital market recently. This master’s thesis describes pension investments’ impact on the development of China’s capital market. Based on existing literature, it is shown that if the pension investment has a positive effect on the capital market, capital market development will enhance overall economic development, and it...

The classical portfolio problem is a problem of distributing capital to a set of securities. By generalizing the set of securities to a set of investment strategies (or security-rule pairs), this study proposes an investment strategy portfolio problem, which becomes a problem of distributing capital to a set of investment strategies. Since the investment strategy portfolio problem can be formul...