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This chapter presents the differential approach to applied demand analysis. The demand systems of this approach are general, having coefficients that are not necessarily constant. We consider the Rotterdam parameterization of differential demand systems and derive the absolute and relative price versions of the Rotterdam model, due to Theil (1965) and Barten (1966). We address estimation issues and point out that, unlike most parametric and semi-nonparametric demand systems, the Rotterdam model is econometrically regular.

The impact of dietary changes associated with urbanization is likely to increase the demand for land for food production. The purpose of this paper is to examine the impact of urban economic development on changes in food demand and associated land requirements for food production.

Based on economic estimates from the Almost Ideal Demand System, feed conversion ratios, and crop yields, the authors forecast and compare future dietary patterns and land requirements for two types of urban diets in China.

The results show that the expenditure elasticities of oil and fat, meat, eggs, aquatic products, dairy, and liquor for the diet of capital cities are greater than those for the diet of small- and medium-sized cities. The authors forecast that capital city residents will experience a more rapid rate of increase in per capita demand of meat, eggs, and aquatic products, which will lead to much higher per capita land requirements. Projections indicate that total per capita land demand for food production in capital cities will increase by 9.3 percent, from 1,402 to 1,533 m2 between 2010 and 2030, while total per capita land demand in small- and medium-sized cities will increase only by 5.3 percent, from 1,192 to 1,255 m2.

The results imply that urban economic development can significantly affect the final outcomes of land requirements for food production. Urban economic development is expected to accelerate the rate of change toward an affluent diet, which can lead to much higher future land requirements.

Internet is set to be one of the main channels of distribution in the future and already greatly facilitates product evaluation thanks to the information available on the net. The main advantages of electronic shopping over other channels include the reduced costs of searching for products and for product‐related information. Research has stressed the importance of quality information in web site design. The perceived utility of a web site depends on the perceived utility of its content (i.e. quality of information on product characteristics) and its presentation of that content. This paper compares the ways in which a web site's content and content presentation affect the product choice of two consumer groups from different cultures. The paper aims to discuss these issues.

The authors conduct an exploratory study to determine the key factors which may be used in a later conclusive research. The authors propose a tool based on the statistical design of experiments to determine the number of significant factors used by two market segments (Spanish and US students) when selecting a bottle of wine sold via a web site.

The authors identify key extrinsic factors of consumers' perceived utility when selecting a bottle of wine from a web site and analyse whether cross‐cultural aspects are significant in this choice. The authors assume that web site evaluations made by users from different geographical areas reflect their preferences for more familiar designs.

The sample size does not enable us to determine the significance of certain variables. Moreover, the sample is not fully representative of the overall consumer population, and so inferences cannot be made about all consumers. However, since the study is exploratory with a theoretical content, the results can be considered valid.

Web page designers need to take into account the cultural characteristics of their target market in the presentation and content of their sites.

The internet marketing literature considers cultural differences in web design as a tool to improve user confidence and attitude. However, few studies have examined the effects of the cultural adaptation of web sites on user evaluations. Here, the authors propose a straightforward procedure for calculating the main effects of web site attributes. Yates' algorithm and the normal probability plot, proposed by Daniel, can be implemented in any spread sheet.

The purpose of this paper is to identify the demographic characteristics that influence the choice of retail outlet and the preferred retail outlet used by primary household shoppers when purchasing roots and tubers (R&Ts).

The study uses a binary logit model to estimate the probability of being a traditional or modern outlet shopper for R&Ts.

The traditional retail outlet was the preferred place to purchase R&Ts. Three demographic variables, age, monthly family income and ethnicity, were statistically significant.

The sample size might be considered small with only 232 primary household food shoppers participating.

To date, minimal research on the marketing of R&Ts has been undertaken in Trinidad and Tobago. As such, it is hoped that this study will stimulate others to undertake research in this area.

A striking feature of Jaques' work is his “no nonsense” attitude to the “manager‐subordinate” relationship. His blunt account of the origins of this relationship seems at first sight to place him in the legalistic “principles of management” camp rather than in the ranks of the subtler “people centred” schools. We shall see before long how misleading such first impressions can be, for Jaques is not making simplistic assumptions about the human psyche. But he certainly sees no point in agonising over the mechanism of association which brings organisations and work‐groups into being when the facts of life are perfectly straightforward and there is no need to be squeamish about them.

Allyn Young′s lectures, as recorded by the young Nicholas Kaldor, survey the historical roots of the subject from Aristotle through to the modern neo‐classical writers. The focus throughout is on the conditions making for economic progress, with stress on the institutional developments that extend and are extended by the size of the market. Organisational changes that promote the division of labour and specialisation within and between firms and industries, and which promote competition and mobility, are seen as the vital factors in growth. In the absence of new markets, inventions as such play only a minor role. The economic system is an inter‐related whole, or a living “organon”. It is from this perspective that micro‐economic relations are analysed, and this helps expose certain fallacies of composition associated with the marginal productivity theory of production and distribution. Factors are paid not because they are productive but because they are scarce. Likewise he shows why Marshallian supply and demand schedules, based on the “one thing at a time” approach, cannot adequately describe the dynamic growth properties of the system. Supply and demand cannot be simply integrated to arrive at a picture of the whole economy. These notes are complemented by eleven articles in the Encyclopaedia Britannica which were published shortly after Young′s sudden death in 1929.