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Participatory approaches are nowadays widely used, but their designers are facing dilemmas, especially in heterogeneous social contexts. On the one hand, some of them stand accused of being naively manipulated by the most powerful local stakeholders; while on the other hand, others are accused of intervening on social systems to empower some particular stakeholders without having the legitimacy to do so. This article examines the testing of a critical companion approach which recognizes the necessity to take into account local power asymmetries to avoid the risk of increasing initial inequities. The paper draws on the experimentation and reflexive analysis of a companion modelling process conducted with such a critical approach in the highlands of Northern Thailand. The process aimed at facilitating dialogue between a national park being established and two surrounding Mien communities whose livelihoods depended on land and forest resources located inside the park. We show that local power asymmetries express themselves in participatory processes and that some of them might be obstacles to the emergence of an equitable concerted process. We also demonstrate that, through his methodological choices, the designer of a participatory process is able to overcome some of these obstacles, but to a certain extent only. Far from being neutral, the designer adopting a critical posture should attempt to make explicit all his underlying assumptions so that stakeholders can choose to accept them as legitimate or to reject them. However, this attempt faces limits in several situations, in particular with stakeholders who refuse to participate.

AbstractWe witness a promotion of hybrid partnerships, where actors with different competences and resources collaborate for smallholder inclusive value chain development. To better understand the functioning of these partnerships, we used institutional theory and studied the context of a global and emerging regional food value chains in Ghana, the blending of logics by key actors in Innovation Platforms and Public Private Partnerships, and their effect on value chain relations of smallholder farmers. In the global value chain of cocoa, partnerships adhered to 'green revolution' and 'free-market' logics, and provided all farmers material support. In the more informally organised regional food sector, local executing partners selectively coupled their logics with those of poor smallholders, who rely on low-input agriculture and solidarity logics to make ends meet. This improved the position and transaction costs of smallholders to participate in the value chain. Hence, it is more likely for partnerships to create smallholder inclusive governance in informally organised regional food value chains, than highly structured global value chains controlled by international buyers. To gain insight in the variety of political effects this triggers in different social–historical shaped farmer communities, households and actors, we recommend complementary local research from a critical institutional perspective.

Sustainable management of renewable resources is often complicated by diversity and dynamic nature of the ecological and socioeconomic systems involved. As these system dynamics and interactions are highly complex and frequently unpredictable, there is a need to opt for transdisciplinary research addressing adaptive and integrated renewable resource management. Companion Modeling (ComMod) is a multi-agent systems (MAS)-based approach relying on synergistic effects between Role-Playing Games (RPG) and Agent-Based Models (ABM) to facilitate information sharing, collective learning, and exchange of perceptions to support negotiation, facilitate collective decision-making, and to strengthen adaptive resource management capacity. Iterative and adaptive sequences of field work and modeling activities allow inclusive and interactive participation of stakeholders during design, implementation, calibration, and validation steps of the models, as well as joint use to explore possible future scenarios. ComMod was implemented in a study of a conflict between two ethnic communities and a newly proposed national park in Northern Thailand. Deforestation, biodiversity conservation, and livelihoods were key issues discussed during RPG sessions, and subsequently represented in an ABM simulator. Consequently, local stakeholders learned about agro-ecological and socioeconomic dynamics and gained an increased awareness of these key issues. Mutual understanding was improved, and the importance of collaborative discussion, essential to negotiation and decision-making, became obvious. Finally, this Northern Thailand experience has shown that collaborative interactions between researchers and local stakeholders mediated by ComMod tools were supportive of improved communication among the conflicting parties and joint learning for adaptive and integrated sustainable management of renewable resources.