At the height of the Covid-19 pandemic, consumers stockpiled common household items in expectation of shortages and rising prices. In this paper, we explore the interaction of consumer stockpiling with monopoly pricing in the face of a supply disruption. If...

We characterize the conditions under which a socially responsible (SR) fund induces firms to reduce externalities, even when profit-seeking capital is in perfectly elastic supply. Such impact requires that the SR fund's mandate permits the fund to trade off financial...

We analyze the run risk of fiat-backed stablecoins by uncovering a fundamental dilemma between stablecoins’ price stability and financial stability. We show that panic runs exist even though general investors only trade stablecoins in secondary markets with flexible prices. This...

We develop a theory of financial innovation in which both market structure and the payoffs of the claims being traded are determined endogenously. Intermediaries use the cash flows of an underlying asset to design securities for investors. Demand for securities...

We model the dynamic competition among national fiat currencies, cryptocurrencies, and Central Bank Digital Currencies (CBDCs), whereby countries strategically digitize their currency and launch CBDC in response to competition from emerging cryptocurrencies and other currencies. Countries with strong but non-dominant...

We model platform competition with endogenous data generation, collection, and sharing, thereby providing a unifying framework to evaluate data-related regulation and antitrust policies. Data are jointly produced from users' economic activities and platforms' investments in data infrastructure. Data improves service...