Players can spend their V-Bucks on Creative maps in Fortnite, but there's a difference compared to spending them on the Item ...

Abstract: The delay of state variable plays a crucial role in chaotic systems. However, it has not received sufficient attention in discrete memristor-based maps. This paper presents a study on the ...

A new polling map has shown President Donald Trump’s approval ratings continue to reflect deep regional divides across the U.S. According to the latest state-by-state data compiled by Civiqs, only ...

This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...