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The perennial question ‘What is Capital’ has been getting some attention recently. Although the distinction between capital as a financial construct and capital as a collection of physical production-goods is well known, we argue that the former concept is undepreciated. The two concepts are often conflated in practice, and the relationship between them is seldom well understood. We spell out the financial concept of capital emphasizing its importance as an indispensable instrument of calculation and accounting. We consider some views of human, social and other capital and how we differ from them. We present reasons for rejecting the notion of an aggregate production function in standard growth theory (which uses the notion of an aggregate stock of physical capital) and as recently used by Thomas Piketty in his well-known work. [ABSTRACT FROM AUTHOR]

Abstract: We explore the relationship between educational attainment and social interaction using individual level data from the British National Child Development Study. To be specific, we analyze whether an intergenerational aspect to this relationship exists by examining the relationship between the educational attainment of children and the degree of formal social activity undertaken by their parents. Our results suggest that children''s scores in reading, mathematics and vocabulary tests are positively associated with the extent of their parents’ formal social interaction, and this relationship is robust to alternative definitions of social interaction. [Copyright &y& Elsevier]

Abstract: In this paper we examine linkages between social trust and economic development using, for the first time, a panel of data. We confirm earlier cross-sectional studies finding that trust is a significant factor in development and also show for the first time that trust significantly interacts with both investment in physical and human capital. We provide a robustness analysis of our results via a set of jackknife experiments on our main equations, and the trust coefficients and interactions are very tightly distributed, indicating that the results are not highly sample dependent. We also consider whether trust directly influences investment and find that in a panel framework it does not unless we allow for a trust–education interaction in the investment equation. [Copyright &y& Elsevier]

Abstract: Based on the argument in both economic and sociological literature that religion is conducive to children’s human capital formation, this paper provides a model of religious participation and explores a mechanism that “social capital” affects children’s education, a la Coleman [Coleman, J.S., 1988. Social capital in the creation of human capital. American Journal of Sociology 94, S95–S120]. The model generates several interesting implications, which help explain some important stylized facts about education and religion. Further, in a dynamic setting, the model shows that there exists a steady state in which individuals allocate a positive amount of time and resources to religious activities. Thus, it complements the existing literature to explain why seemingly unproductive religions can be everlasting. [Copyright &y& Elsevier]

A model of the cultural co-evolution of honesty and capital is analyzed. It is shown that the sign of the payoff differential between honest and dishonest types depends on the ratio of benefits that an employee gets from shirking to the resulting loss of revenue to the firm. If this ratio decreases with capital accumulation, then multiple equilibria in output and honesty are possible in the long run. Small changes in government corruptibility may have large long-run effects on per capita output and the extent of honesty. The honesty and human capital of workers will be positively correlated. [Copyright &y& Elsevier]