U SING S CENARIOS IN A CADEMIC R ESEARCH TO S TUDY THE F UTURE International Migration Institute (IMI) Oxford Department of International Development Oxford.

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Presentation transcript:

U SING S CENARIOS IN A CADEMIC R ESEARCH TO S TUDY THE F UTURE International Migration Institute (IMI) Oxford Department of International Development Oxford Martin School University of Oxford Hein de Haas International Migration Institute (IMI) Oxford Department of International Development Oxford Martin School University of Oxford

S TUDYING THE F UTURE : ‘ CONVENTIONAL ’ FORECASTING Reliance on quantitative data and statistical analysis Model parameters derived from past events are used to predict the future

U SING F ORECASTING M ODELS : AN EXAMPLE Dustmann et al. (2003), a report commissioned by the Home Office to forecast net immigration to the UK after the enlargement of the EU: Forecasted that net immigration to the UK from the AC10 would be ‘relatively small, between 5,000 and 13,000 immigrants per year up to 2010’. The UK decided to open labour markets to the AC10 countries in 2004.

F LOWS E STIMATES TO S EPT Even with a statistically sound estimation they missed the actual number dramatically

W HY DO STATISTICAL FORECASTS OFTEN DELIVER POOR ESTIMATES ? They assume the same structure across societies They assume the same structure across time Explanatory variables are forecasted based on questionable assumptions (e.g., linear extrapolation of past trends) Complex causality and feedback mechanisms Limitations of data and quantification

F INDING DATA CAN BE A PROBLEM … In many cases the data don’t exist and the parameters of the model must be estimated using historical migration data from other countries. Therefore it assumes the same structure across countries. Country A Country B

C OMPLEX L EVELS OF I MPACTS AND F EEDBACK Contextual Environment ‘external factors’ Demographics Macroeconomic policies of the host countries Global economy Oil prices Social values Technology Geo-political trendsEnvironmental change Local policies Development Migration flows ‘internal factors’ Interest groups Media Migration policies

IF WE HAVE DATA, WE STILL HAVE UNCERTAINTIES Two major uncertainties: Migration = f (y host, y home, networks, policy, conflict, environment…) Model uncertainties: limitations in our understanding of the mechanisms that drive migration processes. Contextual uncertainties: our limited knowledge and imagination about future changes in the context in which migration occurs.

S CENARIOS : WHAT ARE THEY ? Scenarios allow us to Systematically explore possible developments in the future Prepare us for the likelihood of change Learn to expect the unexpected ( not business as usual) Through Uncovering assumptions underlying conventional thinking Stimulate ‘out-of-the-box’ thinking Identify certainties and uncertainties Focus on uncertainties to explore alternative futures

A forecast or projection of today into the future An alternative specification of the forecasting model BUT THEY ARE visualisations of possible futures that we do not necessarily expect to come true. S CENARIOS : WHAT ARE THEY NOT?

S CENARIO CHARACTERISTICS Stories created using multiple perspectives on: What has happened in the past What we know today What could possibly develop in the future The stories must be: Plausible Coherent Challenge our assumptions and expectations Scenarios neither represent a perfect world, nor an apocalyptic world – they are a mix of positive and negative events and outcomes that do not simply reproduce the status quo

C REATING A NEW FRAMEWORK Identify uncertainties Rather than building a model on the certainties, we identify and focus on the uncertainties and try to account for unexpected discontinuities Uncertainties Forecasts Historical precedents allow us to estimate probabilities of various possible outcomes in the near future Structural uncertainties: It is possible to use intuition and logic to understand how certain events might evolve in the future, yet we cannot be certain on the outcome. Within structural uncertainties, there are aspects that are predictable – these are predetermined elements Unknowables: I mpossible to imagine

T HE BALANCE OF PREDICTABILITY AND UNCERTAINTY Source: van der Heijden, 2005

I NVOLVING S TAKEHOLDERS

Uncertainties Certainties I DENTIFY CERTAINTIES AND UNCERTAINTIES Slide’s author: Rafael Ramirez

Uncertainties that matter most EVALUATING THEIR RELATIVE IMPACT AND UNCERTAINTY Slide’s author: Rafael Ramirez Our ignorance on how the issue plays out (greatest lack of knowledge /level of unfamiliarity) Least uncertain and Least impact on migration Greatest migration impact Select the two uncertainties that are most uncertain + will have the most impact on migration for the scenario axes

CREATING THE ‘SCENARIO MATRIX’ Outcome AOutcome B Scenario ‘BC’ Scenario ‘BD’ Outcome D Outcome C Scenario ‘AD’ Scenario ‘AC’ Image’s author: Rafael Ramirez