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Fields:

Devaluations, Deposit Dollarization, and Household Heterogeneity

Review of Economic Studies 2025
We study the aggregate and redistributive effects of currency devaluations in a small open economy model with leverage-constrained banks and heterogeneous households. Our framework captures three stylized facts about financial dollarization in emerging economies: (1) a sizable share of domestic deposits is denominated in foreign currency; (2) these deposits represent significant foreign currency liabilities for local banks; and (3) dollar deposits are mainly held by wealthier households. A devaluation increases the real burden of foreign currency debt, causing an erosion of banks’ net worth, which depresses credit supply and economic activity. While richer households are partially insulated through their dollar deposits, poorer households cut consumption sharply in response to rising borrowing costs and falling real labor income. In our model deposit, dollarization amplifies the contractionary effects of a devaluation on output, investment, and consumption, in line with new empirical evidence for emerging economies. To achieve this result, both constrained intermediaries and heterogeneous households are crucial. In our framework, regulating dollarization can result in widespread welfare gains, especially for poorer households

Which Investors Matter for Equity Valuations and Expected Returns?

Review of Economic Studies 2024 91(4), 2387-2424
Based on an asset demand system, we develop a framework to quantify the impact of market trends and changes in regulation on asset prices, price informativeness, and the wealth distribution. Our leading applications are the transition from active to passive investment management and climate-induced shifts in asset demand. The transition from active to passive investment management had a large impact on equity prices but a small impact on price informativeness because capital did not flow from more to less informed investors on average. This finding is based on a new measure of investor-level informativeness that identifies which investors are more informed about future profitability. Climate-induced shifts in asset demand have a potentially large impact on equity prices and the wealth distribution, implying capital gains for passive investment advisors, pension funds, insurance companies, and private banking and capital losses for active investment advisors and hedge funds