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Payday lenders: Heroes or villains?

Journal of Financial Economics 2011 102(1), 28-44
Does access to high-interest credit (payday loans) exacerbate or mitigate individual financial distress. Using natural disasters as an exogenous shock, I apply a propensity score-matched, triple-difference specification to identify a causal relation between welfare and access to credit. California foreclosures increase by 4.5 units per 1,000 homes after a natural disaster. The existence of payday lenders mitigates 1.0–1.3 of them, with the caveat that not all payday loans are for emergency distress. Payday lenders also mitigate larcenies (but not burglaries or vehicle thefts). In a placebo test of disasters covered by homeowner insurance, payday lending has no mitigation effect.

Impact investing

Journal of Financial Economics 2021 139(1), 162-185
We show that investors derive nonpecuniary utility from investing in dual-objective Venture Capital (VC) funds, thus sacrificing returns. Impact funds earn 4.7 percentage points (ppts) lower internal rates of return (IRRs) ex-post than traditional VC funds. In random utility/willingness-to-pay (WTP) models investors accept 2.5–3.7 ppts lower IRRs ex ante for impact funds. The positive WTP result is robust to fund access rationing and investor heterogeneity in fund expected returns. Development organizations, foundations, financial institutions, public pensions, Europeans, and United Nations Principles of Responsible Investment signatories have high WTP. Investors with mission objectives and/or facing political pressure exhibit high WTP; those subject to legal restrictions (e.g., Employee Retirement Income Security Act) exhibit low WTP.

Are elite universities losing their competitive edge?

Journal of Financial Economics 2009 93(3), 353-381
We study the location-specific component of research productivity for economics and finance faculty over the last three decades. We find that there was a positive effect of being affiliated with a top 25 university in the 1970s; this effect weakened in the 1980s and disappeared in the 1990s. The decline in elite university fixed effect is due to the reduced importance of physical access to productive research colleagues, which in turn seems due to innovations in communication technology. One implication is that knowledge-based organizations should find it more difficult to capture rents vis-à-vis workers. We find that faculty salaries increased the most where the estimated spillover dropped the most. Despite the loss in local spillovers, elite universities still enjoy an edge in average productivity because of agglomeration of top researchers in prestigious institutions with high long-term research reputations.