The "K-shaped" economy has been top of mind for consumers, corporate leaders, policymakers and investors since the Covid pandemic drastically reshaped Americans' financial habits almost six years ago.

Top income inequality rose sharply in the United States over the last 35 years but increased only slightly in economies like France and Japan. Why? This paper explores a model in which heterogeneous ...

Abstract: Graphs are irregular structures that naturally represent the multifaceted data attributes; however, traditional approaches have been established outside signal processing and largely focus ...