The present research analyzes the nexus between export upgrading and economic growth. In addition, it studies the moderating role of economies’ level of openness to international trade between export upgrading and economic growth for a group of 131 countries covering the period of 2006-2019....

We investigate portfolio selection performance as in Markowitz by evaluating variance matrix estimation criteria in the currency market. This study challenges theoretically rigorous shrinkage covariance estimators using multiple evaluation metrics: systematic loss function, risk profile of...

We analyze the connectedness between major cryptocurrencies and nonfungible tokens (NFTs) for diferent quantiles employing a time-varying parameter vector autoregression approach. We fnd that lower and upper quantile spillovers are higher than those at the median, meaning that connectedness...