Mathematical models of urban spatial structure in cities with decentralized employment involve the interaction between a minimum of three markets: land, labor and capital. I study the interaction between the land and the labor markets carefully. Standard theory assumes that when firms...

Traditional Ecological Knowledge (TEK) is one of the components of the Globally Important Agricultural Heritage Systems (GIAHS), which are good examples of evolutionary adapted socio-ecosystems in human history. The Hani Rice Terraces System, located in China’s southwestern Yunnan Province, is...

We examine several variance estimators for cumulative incidence estimators that have been proposed over time, some of which are derived from asymptotic martingale or counting process theory, and some of which are developed from the moments of the multinomial distribution. There is little...