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Product Environmental Policy Stock and Impact Tool

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Quality & Transparency

Quality

Model uncertainties

Models are by definition affected by uncertainties (in input data, input parameters, scenario definitions, etc.). Have the model uncertainties been quantified? Are uncertainties accounted for in your simulations?

yes
To a limited extent. The model is deterministic. Simulation of ranges of inputs is possible, but not an intrinsic part of the model. Only the calculation of lifetime of products is stochastic, but it is a separate module that does not carry the stochastic nature to the rest of the model.

    Sensitivity analysis

    Sensitivity analysis helps identifying the uncertain inputs mostly responsible for the uncertainty in the model responses. Has the model undergone sensitivity analysis?

    no
    The model is deterministic. Simulation of ranges of inputs and of scenarios and options is possible, and an essential part of the use of the model.

      Have model results been published in peer-reviewed articles?

      no

        Has the model formally undergone scientific review by a panel of international experts?

        Please note that this does not refer to the cases when model results were validated by stakeholders.

        no

          Model validation

          Has model validation been done? Have model predictions been confronted with observed data (ex-post)?

          no

            Transparency

            To what extent do input data come from publicly available sources?

            This may include sources accessible upon subscription and/or payment

            Based on both publicly available and restricted-access sources

            Is the full model database as such available to external users?

            Whether or not it implies a specific procedure or a fee

            no
            Data are directly visible in the model.

              Have model results been presented in publicly available reports?

              Note this excludes IA reports.

              no

              Have output datasets been made publicly available?

              Note this could also imply a specific procedure or a fee.

              no
              Follows the same availability rules as IAs from the Commission.

                Is there any user friendly interface presenting model results that is accessible to the public?

                For instance: Dashboard, interactive interfaces...

                no

                  Has the model been documented in a publicly available dedicated report or a manual?

                  Note this excludes IA reports.

                  no
                  Data and calculations are directly visible in the model

                  Is there a dedicated public website where information about the model is provided?

                  no

                    Is the model code open-source?

                    no

                    Can the code be accessed upon request?

                    yes