1. Introduction -- 2. Why should we care? -- 3. Causes of the current food insecurity and potential solutions : poverty -- 4. Causes of the current food insecurity and potential solutions : human overpopulation -- 5. Causes of the current food insecurity and potential solutions : lack of...

Bitcoin blockchain has grown into an active global virtual money network with millions of accounts.We propose a Sparse-Group Network AutoRegressive (SGNAR) model to understand the dynamics of its cross-border transactions. It describes the money flows of virtual funds, with a focus on the...

We measure the effectiveness of policies in a mixed frequency spatial VAR (MF-SVAR) modeling framework, conditional on the spillover and diffusion effects of the global pandemic and unemployment. Specifically, we examine two aspects of policy effectiveness from a spatio-temporal perspective,...