We formalise and present an innovative general approach for developing complex system models from survey data by applying Bayesian Networks. The challenges and approaches to converting survey data into usable probability forms are explained and a general approach for integrating expert knowledge...

This paper estimates the elasticity of elephant poaching with respect to prices. To identify the supply curve, the authors observe that ivory is a storable commodity and hence subject to Hotelling's no-arbitrage condition. The price of gold, one of many commodities used as stores of value, is...

This paper studies the cross-country patterns of risky innovation and growth through the lens of international trade. We use a simple theoretical framework of risky quality upgrading by firms under varying levels of financial development to derive two predictions. First, the mean rate of quality...