The rapid growth in online sales shows that online purchase has become a mainstream for modern consumers to acquire goods and services. In this research, we propose to use Prospect Theory as the theoretical basis to account for consumers’ psychological states in an online purchasing environment. In particular, we aim to empirically investigate whether social comparison acts as an essential fact...

In this article, we identify success factors for managing small and intensive purchasing groups by comparing successful and unsuccessful Dutch purchasing groups in a large-scale survey. Transaction costs economics and social exchange theory are used as theoretical frameworks for our broad empirical investigation. We found that the success factors studied that are related to interorganizational ...

BACKGROUND AND PURPOSE Differences in definitions of socioeconomic status and between study designs hinder their comparability across countries. We aimed to analyze the correlation between 3 widely used macrosocioeconomic status indicators and clinical outcomes. METHODS We selected population-based studies reporting incident stroke risk and/or 30-day case-fatality according to prespecified cr...

In the past thirty years, we have moved from the traditional exchange models of “explaining” and “managing” to the phenomena of the electronic revolution in buyerseller networks, the development of network formations, and the impact of electronic communications such as electronic data interchange (EDI) and the internet on electronic commerce. These network approach models emphasize “understandi...

Suppose there is a collection x1, x2, . . . , xN of independent uniform [0, 1] random variables, and a hypergraph F of target structures on the vertex set {1, . . . , N}. We would like to purchase a target structure at small cost, but we do not know all the costs xi ahead of time. Instead, we inspect the random variables xi one at a time, and after each inspection, choose to either keep the ver...

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S mall employers have particular disadvantages as purchasers of health insurance.They often are not well informed about the insurance options available to them because, unlike large employers, they do not have specialized staff to manage their employee benefit programs. Small business owners, who usually make decisions about insurance for their firms, typically have little time or expertise to ...

OBJECTIVE To examine the prevalence and correlates of internet cigarette purchasing among adult smokers. DESIGN Analysis of internet purchasing in data from a population based telephone survey of New Jersey households. Logistic regression was used to determine factors associated with internet cigarette purchasing, adjusting for year, demographic, and smoking behaviour variables. PARTICIPANT...

BACKGROUND Health workers' purchasing power is an important consideration in the development of strategies for health workforce development. This work explores the purchasing power variation of Mozambican public sector health workers, between 1999 and 2007. In general, the calculated purchasing power increased for most careers under study, and the highest percentage increase was observed for th...