We discuss the role of key regions in spatial development. Local productivity shocks can affect the entire economy as they expand via tight connections in the domestic production network and in uence the geographical allocation of labor. In particular, we identify the set of key regions with the...

This paper documents a persistent structure in cryptocurrency returns and analyzes a broad set of characteristics that explain this structure. The results show that similarities in size, trading volume, age, consensus mechanism, and token industries drive the structure of cryptocurrency returns....

We develop a theoretical model that jointly explains optimal choices and happiness. We work with constant elasticity of substitution functions for utility and happiness. Employing a choice framework, individuals are confronted with two options. When there exists a trade-off, we determine...