We construct an exchange-traded fund (ETF) based on the CRyptocurrency IndeX (CRIX), which closely maps nonstationary cryptocurrency (CC) dynamics by adapting the weights of its constituents dynamically. Our scenario analysis considers the fee schedules of regulated CC exchanges, spreads...

Cryptocurrency markets have recently attracted significant attention due to their potential for high returns; however, their underlying dynamics, especially those concerning price jumps, continue to be explored. Building on previous research, this study examines the presence and clustering of...

In spatio-temporal epidemiological analysis, it is of critical importance to identify the significant covariates and estimate the associated time-varying effects on the health outcome. Due to the heterogeneity of spatio-temporal data, the subsets of important covariates may vary across space and...