Page 37 - GHES-3-2
P. 37

Global Health Economics and
            Sustainability
                                                                                Random price generators in health policy


            a recent development; other pricing methods, especially   nature is that it is a useful process to achieve neutrality
            revealed-preference methods (e.g., hedonic pricing),   (Sunstein, 2019), which is important for policymakers,
            have prevailed in valuation methodologies used for   especially when using “nature nudging” as a policy-aiding tool.
            macroeconomic models over contingent valuation       Nature  randomness  may  change  at  any  time,  so  using
            methods (e.g. Appendix A1; United Nation [UN], 2003).   random variables in modeling with a process approach may
            They proved to be statistically reliable in market dynamics   fit more data on population health. Economists have run
            of liberal economies and health systems primarily using   analyses using random parameters for variables in models
            price mechanisms. The  concept of randomness is not   for health or medical markets for a long time; however, this
            new in medicine and life sciences. It has been  used for   paper  shows  the  possible  interest  of  random  prices  in  an
            modeling in population studies and their evolution (e.g.,   economic model for physicians. The methodological steps of
            breeding populations are randomly combined in pairs   this experimental user case are tested on a statistical model for
            to produce offspring). Scientists such as epidemiologists   the Type 2 diabetes market in the USA. This type of economic
            and biostatisticians have used Markov chains models for   model aims to strengthen the analysis of the demand side of
            disease progression (e.g., Bernoulli’s principle for simple
            cases or Monte Carlo models).                      a  medical market  to better  represent  the  heterogeneity of
                                                               physicians’ preferences at the individual level.
              Using random parameters in statistical models for
            economic analysis of medical markets is also widespread;   Figure 1 provides the different types of statistical models
            however, generating random prices is quite recent for medical   used to analyze this medical market; it lists predictive disease
            products and services. This paper discusses the implication of   econometrics, especially from Professor Huttin’s previous
            the experimental research for an economic physicians’ choice   studies and more recent projects for oligopoly markets.
            model initiated by Huttin & Hausman (2021) on patients with   The current milestone aims to provide a comparative
            Type 2 diabetes. In their study, random prices were generated   analysis of study results for the latest approaches: choice
            for drug prices on an analytical dataset for Type 2 diabetes.   models with random price generators and Hierarchical
            Their paper also explained the main methodological steps. The   Bayesian  analysis  with  shrinkable  estimators.  According
            project provided encouraging results on such an approach; it   to the structural models for national economies, facing
            implemented the recent econometric specification tests on a   open boundaries of science and new players disrupting
            mixed logit (ML) model at an individual level, proposed by   traditional game rules, these approaches can contribute to
            Burda et al. (2012) and Hahn, Hausman & Lustig (2020), it   calibration methods for adjusting supply and demand for
            complements the generalization of Hausman & McFadden   medical markets.
            tests for the Multinomial Logit Model (1984). Random
            generators for drug prices were computed for this ML   2.2. Experimental research in other sectors: A useful
            model. Such development may help to move beyond latent   resource for the use of random generators in
            class  models,  existing  ML  model  statistics,  and  additional   healthcare markets
            applications to other models for oligopolistic markets.  Experimental research using random parameters has
              Limitations of this approach have been discussed,   expanded greatly, especially in transportation research and
            especially concerning the development of pricing methods   finance. Studies using random parameters usually show
            such as algorithmic pricing in the context of digitalization   very good results in such fields, especially in transportation
            and mobile economics (Huttin & Hausman, 2021). Further   research, marine research, and energy (Glenk et al., 2020),
            development of other choice models using random pricing   comparing valuation methods such as random parameters
            is also needed for a validated simulated tool,  especially   logit and latent class models. Systematic reviews may help
            with comprehensive user cases on choice sets of medicines,   further milestones for more comprehensive user cases in
            devices, or procedures, and applied to analytical datasets   healthcare markets with such an approach; however, they
            from different national or regional contexts. 1    are out of the scope of this paper.
                                                                 The sharing economy also leads to studying the
            2. Why is it useful to include randomness in       preferences of consumers and populations when adjusting
            modeling for policy-aiding tools in health?        to the new economy. These include workers’ preferences

            2.1. Nature randomness and development of          for co-working spaces and hours in labor markets, new
            economic models for health                         alternative sharing models on bicycle or car sharing in
                                                               transportation research, preferences for quality and choice
            One of the main arguments for using randomness to study
                                                               of genetically modified food in nutrition studies, and
            1    Grimmett and David Stirzaker (2020) provide a good review of   preferences between electric and hybrid cars in automobile
               random processes for interested readers.        markets.


            Volume 3 Issue 2 (2025)                         29                       https://doi.org/10.36922/ghes.3579
   32   33   34   35   36   37   38   39   40   41   42