More than 1,500 organizations and investors representing over $40 trillion in assets have committed to fossil fuel divestment to combat climate change. Will it work? This chapter explores whether divestment might induce green innovation, a critical component of transitioning to a cleaner...

There has been increasing attention to privacy in the media and in regulatory discussions. This is a consequence of the increased usefulness of digital data. The literature has emphasized the benefits and costs of digital data flows to consumers and firms. The benefits arise in the form of...

While substantial empirical research has evaluated the question of whether capital account openness promotes economic growth, this paper finds empirical evidence for cases where the opposite is true--that a policy of capital controls can promote economic growth, when combined with a policy of...

This paper formalizes the principle that persecution power of government may generate violent contests over it. We show that this principle yields a large set of theoretical insights on different separation-of-powers institutions that can help to preempt such contests under different...

Can ideas mobilize people into collective action? We provide a positive answer to this question by studying how exposure to the Communist ideology shaped an individual's choice to join the Chinese Communist Party (CCP) during the party's formative stage. The individuals we focus on are cadets at...

There is limited causal evidence on the effects of different public procurement regulations on project quality and value-for-money for projects funded by national governments and foreign aid donors. This paper uses policy and experimental variation to study how two key contracting...

Web3 and DeFi are widely advocated as innovations for greater financial inclusion and democratization. We assemble the most comprehensive dataset to date on the largest Web3 ecosystem and use large-scale computing to conduct an initial investigation. We describe Ethereum's network structure,...

In this paper we provide a methodology that jointly studies production and demand for multi-product firms using detailed firm-product level data from Denmark. We estimate marginal cost by combining production function estimation with a cost function that allows for quasi-fixed inputs. We use a...

We explore the role that physicians play in moderating compliance with recommended vaccinations. Using administrative data on the universe of Danish children and their healthcare providers, we first construct and validate a measure of providers' propensities to comply with recommended...

While the traditional role of insurers is to provide protection against idiosyncratic risks of individuals, insurers themselves face substantial uncertainties due to aggregate shocks. To prevent insurers from passing through aggregate risks to consumers, governments have increasingly adopted...