Using novel data on bank applications to the Troubled Asset Relief Program (TARP), we study the effect of government assistance on bank risk taking. Bailed-out banks initiate riskier loans and shift assets toward riskier securities after government support. However, this shift in risk occurs...

We show that ongoing zero portfolio weights in cryptocurrency are surprisingly difficult to generate in a standard Bayesian portfolio theory framework. With ten years of prior data, equity market investors would need very pessimistic priors on mean returns to justify never having bought...

We show that U.S. industrial firms invest heavily in non-cash, risky financial assets such as corporate debt, equity, and mortgage-backed securities. Risky assets represent 40% of firms' financial portfolios, or 6% of total book assets. We present a formal model to assess the optimality of risky...