Ex ante incentives versus ex post penalties in partner selection under commitment uncertainty: a strategic perspective

Selecting the right partner is critical to the success of capital-intensive projects, especially when external funding or investment is required. A key challenge in this process is commitment uncertainty, where prospective partners may renege on their pledged contributions due to exogenous factors such as market volatility. Existing literature predominantly emphasizes reactive, penalty-based mechanisms to deter post-selection default; such approaches intervene only after commitment failures occur. In contrast, this paper proposes a proactive, incentive-based partner selection mechanism that rewards high-commitment partners ex ante rather than penalizing defaulters ex post. Using a game-theoretic model, we characterize conditions under which incentivizing high-commitment partners yields higher expected payoffs for the organizing firm than reactive penalties. We further establish that when the pool of high-commitment candidates is limited, the penalty-based mechanism becomes infeasible beyond a critical default probability, while incentive-based mechanisms remain profitable. Our analysis also reveals that the marginal returns to incentives diminish as the share of high-commitment partners exceeds a certain threshold. Our results highlight the strategic value of proactive partner selection and provide model-driven guidance for designing selection mechanisms in high-risk, capital-intensive environments.