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Paola Giuliano
and
Antonio Spilimbergo
A growing body of work has shown that aggregate shocks affect the formation of preferences and beliefs. This article reviews evidence from sociology, social psychology, and economics to assess the relevance of aggregate shocks, whether the period in which they are experienced matters, and whether they alter preferences and beliefs permanently. We review the literature on recessions, inflation experiences, trade shocks, and aggregate non-economic shocks including migrations, wars, terrorist attacks, pandemics, and natural disasters. For each aggregate shock, we discuss the main empirical methodologies, their limitations, and their comparability across studies, outlining possible mechanisms whenever available. A few conclusions emerge consistently across the reviewed papers. First, aggregate shocks impact many preferences and beliefs, including political preferences, risk attitudes, and trust in institutions. Second, the effect of shocks experienced during young adulthood is stronger and longer lasting. Third, negative aggregate economic shocks generally move preferences and beliefs to the right of the political spectrum, while the effects of non-economic adverse shocks are more heterogeneous and depend on the context.
International Monetary Fund. African Dept.
This Selected Issues paper revisits Rwanda’s options to create fiscal space to meet long-term development challenges. It examines strategies and options for a credible and comprehensive domestic revenue mobilization. The paper analyzes the driving factors of past reform successes and use an original dataset to highlight the benefits of implementing comprehensive tax reforms over selective reforms. The paper concludes that selective measures tend to yield protracted loss of revenue while measures implemented comprehensively lead to increases in revenue in the medium term. This stresses the need for an integrated approach to fiscal policy reform coordination to maximize long-term revenue benefits. For Rwanda, a comprehensive strategy for increasing tax revenues by adjusting rates, broadening the domestic tax base, improving tax compliance, and curbing tax evasion is the way forward. The strategy should shift higher tax burden from low-income households to higher income wealth cohorts with the view to advancing distributional fairness against growing inequality.