In early monetary systems the unit of account was separate from the medium of exchange. Commodity prices and prices of coins were quoted in terms of a fixed quantity of metal that was embodied by an 'index coin'. Coins circulated at their metal value because coinage was imperfect and fixed...

During his honours research on an index of industrial production at the University of Western Australia, Salter gained an understanding of the composite commodity theorem. The applied work on the index of industrial production provided him with the analytic foundations for his two famous...

Contracts for future delivery of commodities spread from Mesopotamia to Hellenistic Egypt and the Roman world. After the collapse of the Roman Empire, contracts for future delivery continued to be used in the Byzantine Empire in the eastern Mediterranean and they survived in canon law in western...

A negative real interest rate has guaranteed macroeconomic equilibrium during every emergency in the United States since the early 19th century, except the Great Depression in the 1930s when deflation interfered with the interest rate mechanism. During the Great Depression, the interest rate...

The recent emergence of weather index insurance offers a promising new risk management tool for African smallholder farmers. Providing a nontechnical introduction to insurance economics, this paper reviews the challenges faced by the pioneers of agricultural weather index insurance. The greatest...

We propose that the evolution by sexual selection of the male propensity to engage in conspicuous consumption contributed to the emergence of modern rates of economic growth. We develop a model in which males engage in conspicuous consumption to send an honest signal of their quality to females....

As human traits and preferences were shaped by natural selection, there is substantial potential for the use of evolutionary biology in economic analysis. In this paper, we review the extent to which evolutionary theory has been incorporated into economic research. We examine work in four areas:...

This paper presents a quantitative analysis of the model developed by Galor and Moav [Galor, Oded and Omer Moav (2002) Natural selection and the origin of economic growth. Quarterly Journal of Economics 117(4), 1133–1191] in which agents vary genetically in their preference for quality and...

The vintage model of capital accumulation predicts that technical progress depends on the installation of new capital equipment. In this paper it is found that investment raises labor productivity in the G7 countries and Australia. This finding implies that the decline in investment during the...