Browsing by Author "Rwashana, Agnes S."

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    System dynamics approach to immunization healthcare issues in developing countries: a case study of Uganda
    (Health Informatics Journal, 2009) Rwashana, Agnes S.; Williams, Ddembe W.; Neema, Stella
    This article critically examines the challenges associated with demand for immunization, including the interplay of political, social, economic and technological forces that infl uence the level of immunization coverage. The article suggests a framework to capture the complex and dynamic nature of the immunization process and tests its effectiveness using a case study of Ugandan healthcare provision. Field study research methods and qualitative system dynamics, a feedback and control theory based modelling approach, are used to capture the complexity and dynamic nature of the immunization process, to enhance a deeper understanding of the immunization organizational environment. A model showing the dynamic infl uences associated with demand and provision of immunization services, with the aim of facilitating the decision making process as well as healthcare policy interventions, is presented.
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    A System Dynamics Pricing Model for Stabilizing Prices for Telecommunication Products and Services in Uganda
    (International Scientific Research Journal, 2012) Mayoka, Kituyi; Moya, Musa; Rwashana, Agnes S.
    This study involved the use of systems dynamics approach to develop a pricing model for telecommunication goods and services in Uganda. Primary data were collected from four telecommunication service providers and Uganda Communications Commission, a regulatory body of telecommunications in Uganda. Descriptive statistics and factor analysis with principal component and varimax rotation methods were used to determine the most important factors that affected the pricing decisions made by telecommunication firms. These factors were further analyzed and modeled using Vensim PLE simulation and modeling software, to develop a new pricing model for telecommunications goods and services. The findings indicate that demand and market based pricing approaches are the significant approaches used to set prices for telecommunication products and services in Uganda. The main factors affecting prices of telecommunication goods and service include operating costs, forces of demand and supply, foreign exchange rate, inflation and excessive competition. This paper presents four policy strategies for stable telecommunication prices as Taxation, Liberalization, Government incentives and Wealth maximization.