This paper proposes a model of urban agglomeration in conjunction with imperfect competition and endogenous product R&D of firms. The quality of differentiated manufacturing goods is a result of R&D services provided by research firms. Sectoral interactions are subject to spatially dependent...

This paper investigates the costs and benefits of three ex ante flood management strategies - risk-based insurance, zoning, and subsidized insurance - in an urban economics framework that takes land scarcity into account. In a theoretical setting and in the absence of market failures, risk-based...