The culprit was sitting right above their listing: a neatly packaged Yandex Neuro response that gave users everything they needed without a single click. The zero-click search phenomenon had arrived — ...

Abstract: For nonlinear (control) systems, extended dynamic mode decomposition (EDMD) is a popular method to obtain data-driven surrogate models. Its theoretical foundation is the Koopman framework, ...

We survey the recent literature in economics using open-ended survey data to uncover mechanisms behind economic beliefs and behaviors. We first provide an overview of different applications, including ...