Where should better learning technology (such as machine learning or AI) improve decisions? I develop a model of decision-making in which better learning technology is complementary with experimentation. Noisy, inconsistent decision-making introduces quasi-experimental variation into training...

While the significance of narrative thinking has been increasingly recognized by social scientists, very little empirical research has documented its consequences for economically significant outcomes. The current paper addresses this gap in one important domain: valuations. In three...

This report uses a standard gravity setup to analyse the determinants of e-commerce, using data on online credit card payments by private Spanish customers of the multinational bank BBVA. The results show that the gravity model applies well to credit card payments, explaining up to 95% of the...