An empirical assessment of cross‐cultural age self‐construal measurement: Evidence from three countries

This study investigated which age measures, independent or interdependent, were better for cross‐cultural consumer research. Specifically, it assessed the fit between the “actual” and “ideal” self‐concept model within the framework of self‐construal theory by examining the actual and ideal self‐attributed age identity across South Korea ( n = 480), China ( n = 207), and France ( n = 338) using both independent and interdependent age identity scales. Multivariate analyses revealed differences for individuated self‐schemata across the three countries for actual and ideal age self‐construal, as well as for actual other‐referent interdependent age self‐schemata. However, the reverse occurred too: The ideal interdependent ages showed a lack of difference across the three different cultures. Overall, the results indicate that interdependent decade scales are better than independent age scales for cross‐cultural consumer behavior studies. Though such scales are more complex, they are easy to translate and to administer, and simple to analyze and to interpret. Evidence also suggests that such scales are reliable and robust across disparate samples in the countries studied. © 2011 Wiley Periodicals, Inc.     

Unlocking the potential of unoccupied spectrum in developing countries: Southern African Development Community – case study

The lack of adequate telecommunications infrastructure in developing regions makes wireless systems the most feasible solution for providing Internet connectivity. With the global migration of television (TV) systems from analogue to digital, the TV spectrum is expected to be shared between broadcasting and broadband services. However, the absence of suitable regulatory policies for TV band sharing and low average revenue per user experienced by wireless network operators makes it difficult to deploy broadband networks in developing regions, especially in rural areas. This article presents a co-evolution analysis of three key domains of change (policy, technology and business) in providing broadband connectivity focusing on the Southern African Development Community region. Furthermore, the article proposes public–private partnership and public–private–people partnership models for deploying wireless broadband networks in developing regions. This article is useful to various stakeholders, including policy-makers, governments, the wireless communications industry and academia, by addressing the digital divide in developing regions.     

Co-monotonicity: Toward a utility function capturing envy

Envy affects economic decisions, and can lead to monotonicity violation. We introduce co-monotonicity—a generalization of monotonicity, expected to hold even in the presence of envy. Experimental results and implications for the form of possible utility functions are discussed.     

Why did rich families increase their fertility? Inequality and marketization of child care

A negative relationship between income and fertility has persisted for so long that its existence is often taken for granted. One economic theory builds on this relationship and argues that rising inequality leads to greater differential fertility between rich and poor. We show that the relationship between income and fertility has flattened between 1980 and 2010 in the US, a time of increasing inequality, as high income families increased their fertility. These facts challenge the standard theory. We propose that marketization of parental time costs can explain the changing relationship between income and fertility. We show this result both theoretically and quantitatively, after disciplining the model on US data. We explore implications of changing differential fertility for aggregate human capital. Additionally, policies, such as the minimum wage, that affect the cost of marketization, have a negative effect on the fertility and labor supply of high income women. We end by discussing the insights of this theory to the economics of marital sorting.     

Variety seeking,market partitioning and segmentation

This paper ties together hierarchical partitioning of product markets, segmentation and variety seeking. Individual variety seeking is shown to be a more meaningful partitioning criterion than simple aggregate brand switching. Variety seeking is attribute dependent and thus should not be directly related to the consumer's socio-economic and demographic characteristics. Alternatively, the consumer's way of partitioning the market is suggested as a useful criterion for segmentation.     

Substitution and scale effects with and without homotheticity: An application to the intertemporal consumption decision

This paper derives a simple functional relation between substitution and scale concepts applicable to the theories of consumption and production. Its usefulness is illustrated by pulling together various results about the relation between savings and the interest rate.     

STOCHASTIC DOMINANCE AND TRUNCATED SAMPLE DATA

The purpose of this paper is to examine whether the chance of making erroneous investment decisions can be reduced by applying stochastic dominance rules to truncated, rather than complete, sample data of rates of return. A simulation approach is used that assumes the rates of return follow the symmetric stable probability distribution. Using a variety of relationships between probability distributions of rates of return, it is demonstrated that sample truncation has the potential of significantly reducing sampling errors in the selection between alternative investments.