Comparar métodos
Examine os métodos selecionados lado a lado; as linhas que diferem ficam destacadas.
| Backcasting for Policy× | Ex-Ante Policy Appraisal× | |
|---|---|---|
| Área | Public Policy | Public Policy |
| Família | Process / pipeline | Process / pipeline |
| Ano de origem≠ | 1990 | 2022 |
| Autor original≠ | John B. Robinson (building on Amory Lovins' energy work) | Public-finance appraisal tradition; codified by HM Treasury (Green Book) |
| Tipo≠ | Normative futures and foresight method | Structured ex-ante appraisal of policy options |
| Fonte seminal≠ | Robinson, J. B. (1990). Futures under glass: A recipe for people who hate to predict. Futures, 22(8), 820–842. DOI ↗ | HM Treasury (2022). The Green Book: Central Government Guidance on Appraisal and Evaluation. London: HM Treasury. link ↗ |
| Outros nomes | Backcasting, Policy Backcasting, Normative Scenario Backcasting | Policy Appraisal, Options Appraisal, Green Book Appraisal |
| Relacionados | 4 | 4 |
| Resumo≠ | Backcasting is a normative futures method that starts from a desirable future end-state and works backward to determine the policies, actions and milestones needed to reach it from the present. Coined and developed by John Robinson, who set out its logic in his 1990 article 'Futures under glass', it deliberately contrasts with forecasting: rather than asking what future is likely given current trends, backcasting asks what future we want and how we could get there. It is especially suited to long-term, transformative challenges such as sustainability and decarbonisation, where prevailing trends point away from where society needs to go. | Ex-ante policy appraisal is the structured assessment of the costs, benefits, risks and trade-offs of alternative options for achieving a policy objective, carried out before a decision is taken. Codified in guidance such as the UK Treasury's Green Book, it provides a disciplined framework for deciding whether to intervene and, if so, how — by establishing the rationale and objectives, generating and narrowing a range of options, appraising each against a counterfactual, and recommending the option that offers best value for public money. Appraisal is the forward-looking complement to ex-post evaluation, which judges interventions after they have run. |
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