This paper investigates the causal impact of oil price fluctuations on financial markets since January 2014. Following a heteroscedasticity-based event study approach, the paper instruments changes in oil prices by exogenous shocks in oil supply. It finds that oil price declines raise...

This paper investigates the causal impact of oil price fluctuations on financial markets since January 2014. Following a heteroscedasticity-based event study approach, the paper instruments changes in oil prices by exogenous shocks in oil supply. It finds that oil price declines raise...

This paper investigates the causal impact of oil price fluctuations on financial markets since January 2014. Following a heteroscedasticity-based event study approach, the paper instruments changes in oil prices by exogenous shocks in oil supply. It finds that oil price declines raise...

We investigate whether financial innovation, specifically the introduction of derivative products, spurs firms' real innovation, measured with patent based metrics. Consistent with financial innovation being an important contribution to real innovation, we find that the use of financial...

We examine whether Bilateral Investment Treaties (BITs), an external governance mechanism, stimulate cross-border mergers by protecting the property rights of foreign acquirers. Exploiting the staggered adoption and bilateral nature of the treaties, we find that BITs have a large positive effect...

We investigate the new reality of exchange-traded funds (ETFs). We show that many ETFs are active investments in form (designed to generate alpha) or function (serve as building blocks of active portfolios). The median ETF has an Activeness Index of 93.1%. Active-in-form ETFs have positive...