NSBE - PhD Thesis
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- Three essays on celebrity branding and environmental projects: how manipulation, objectification, transparency, and congruence in marketing strategies impact consumer attitudesPublication . Dechadilok, Chananan; Martinez, Luis Manuel da Silva Pereira Fructuoso; Faust, Natalie Truong; Consiglio, IreneThis research explores how manipulation strategies, objectification, and congruence influence consumer perceptions and attitudes across entertainment and environmental contexts. The first study examines how objectification mediates manipulation strategy on music celebrities toward audience attitudes. The second study focuses on Korean Pop celebrities, revealing how transparent and customer-centric approach mitigates negative perceptions of inauthenticity and lead to favorable attitudes. Finally, the third study investigates how congruence between green projects and their locations influences public acceptance and attitudes. Together, the findings highlight the importance of aligning marketing strategies with consumer expectations through transparency and fit, offering insights into objectification, human branding, and marketing communication literature in diverse industries.
- Micro-foundations in M&APublication . Delgado, João Pedro Pires dos Reis Muralha; Gomes, Emanuel; Neves, PedroDespite numerous annual mergers and acquisitions (M&A) deals, most do not meet expectations. Researchers have been studying macro-level factors impacting post-acquisition performance, but there is a growing recognition of the importance of micro-foundational aspects at individual and group levels. In this research, we present three studies focused on micro-foundational aspects occurring in M&A deals. First, we conducted a multi-phased review of the literature in the fields of Business, Management, Organizational Behavior, and Psychology on individual behaviors in acquisitions. With the multi-phased approach, we developed a hierarchical structure supported by common theoretical lenses to identify links among the concepts in the dispersed literature and gaps for future research. Second, we narrowed the multi-phased literature investigation to specifically address the topic of individual emotions in acquisitions, revealing a predominant focus on negative emotions to mitigate performance risks and a relative neglect of the potential associated with positive emotions. Third, we utilized a unique dataset of recent acquisitions to demonstrate the signalling influence of the acquirer's full or partial strategy depending on the target’s profile in terms of financial performance and strategic aspects (such as accumulated knowledge), and the associated micro-level behaviors and reactions of the managers and employees of the acquired entity.
- Competition and regulation in the pharmaceutical marketPublication . Santos, Carolina Borges da Cunha; Barros, Pedro PitaThis dissertation studies competition and pricing dynamics in the market for reimbursed off-patent drugs, in Portugal. Chapter 1 investigates pharmaceutical firms’ pricing decisions and consumers’ reaction to prices following a change in the internal reference pricing system. Using the statins market as a case-study, chapter 2 evaluates possible channels through which firms’ market power is likely to be affected. In particular, it tests the mutual forbearance hypothesis, according to which firms exploit multimarket contacts to soften competition. The last chapter proposes a new theory-founded multimarket contact measure and studies the impact of multimarket contacts on pharmaceutical firms’ exit decision.
- Essays on sustainable financePublication . Lehlali, Mehdi; Prado, MelissaThis dissertation explores the role of sustainability in corporate behavior, investment decisions, and government policy. The first chapter examines the impact of green federal procurement on firm emissions, innovation, and supply chains, and shows that while green contracts reduce emission intensity, their cost-effectiveness is unclear. The second chapter uses remote sensing to measure local environmental impact and investigates how socially responsible investment influences multinationals’ pollution, finding no improvement in non-OECD countries. These heterogeneous effects highlight the global complexity of sustainability efforts. The final chapter examines how natural disaster exposure shifts mutual fund managers’ sustainability efforts, showing increased portfolio-level ESG scores driven by divestment.
- Compassion and suffering in organizational life and researchPublication . Ramos, Carolina Brites; Cunha, Miguel Pina eThe present dissertation explores compassion at work through three interrelated lenses: as a preventive strategy to mitigate suffering in organizations, as daily work entangled with performance pressures in caregiving settings, and as a methodology for studying organizational contexts marked by human suffering. I address research questions relating suffering, compassion and caregiving work by combining conceptual development, immersive fieldwork, and inductive analysis. Together, the three perspectives contribute to expanding our understanding of compassion at work, with important implications for organizational scholars, managers, and policymakers.
- Harnessing complexity to innovate responsibly and address grand challenges in organisational networks and ecosystemsPublication . Applebee, Samuel Dugald; Zejnilovic, LeidThis dissertation explores approaches to navigating the complexity of innovating with dual social and economic objectives in organisationally and institutionally heterogeneous contexts. Through applying the lenses of responsible innovation, hybridity and ecosystems in three inductive studies of organisational networks and ecosystems, I address questions related to how novel forms of innovation governance and multi-actor organising can help managers and policymakers to harness complexity to manage the consequences of innovation and address grand challenge problems.
- How entrepreneurs secure funding from the crowd: a review and essays on the influence of platform characteristics and campaign messages on campaign performancePublication . Machado, Patrícia Amaro; Decreton, Benoit; Barreto, IlídioThis dissertation addresses crowdfunding as a financing mechanism. Study I provides a systematic review of the literature, mapping insights across crowdfunding types and process phases, and outlining future research opportunities. Building on this foundation, the empirical studies in this dissertation focus on security-based crowdfunding (SCF). Study II analyzes the effects of platform characteristics—specialization, nominee structures, and secondary markets—on campaign performance. Study III investigates the impact of campaign message elements on campaign performance through attention-based mechanisms. Together, the studies in this dissertation integrate fragmented knowledge, advance theorizing on platform strategy and persuasion, and uncover mechanisms driving performance in SCF.
- Essays in corporate and household financePublication . Oliveira, Miguel Jorge Cardoso Farinha; Anjos, Fernando; Ferreira, MiguelThe first chapter of this dissertation develops a moral hazard model to study how specialized distressed investors, who privately bail out financially distressed firms, can negatively impact credit rationing ex ante. The model is then used to derive implications on value creation, capital structure, and project choice. The second chapter uses transactionlevel data from a Portuguese bank to analyze a large-scale debt forbearance program implemented during COVID-19. The results inform on the heterogeneous effects of debt relief and how observable household characteristics can help to better design debt-relief policies. The final chapter uses a matched employee-employer dataset from Portugal to investigate how the employer capital structure can affect employee consumption and saving decisions. The effects are rationalized using a Diamond-Mortensen-Pissarides model, and suggest that financial distress and bankruptcy costs are partially shifted to employees.
- Value based healthcare and cultural organization: climbing the hillPublication . Costa, Filipe; Barros, Pedro PitaThis dissertation explores the implementation of Value-Based Healthcare (VBHC) through a multidimensional lens, addressing research questions on cultural organization on VBHC, dimensions and tools identified for assessment, change management and improvisation methodology in VBHC implementation. Methodologically integrates qualitative and quantitative research to investigate different cultural organization dimensions on VBHC implementation and its correlations. This research introduces innovative findings, drawing on principles such as improvisation, like jazz methodology, continuous learning and other organizational theory domains, to offer new ways for healthcare organizations to navigate the complexities of cultural organization on VBHC integration.
- Essays on empirical macroeconomics and policy shocksPublication . Souto De Moura, Afonso; Duarte, João BernardoThis thesis examines the effects of different policies on economic growth and macroeconomic uncertainty. The first chapter shows how heterogenous institutional quality in Euro Area economies shapes the transmission of monetary policy to downside risks to growth. The second chapter uses high-frequency data to reveal that monetary policy impacts consumption and gross output within weeks, challenging the consensus view that the transmission of monetary policy takes “long and variable lags”. The third chapter explores a novel identification strategy to estimate the impact of corporate tax rates hikes, finding sizable responses of firm-level activity unfolding through multiple adjustment mechanisms.