Lucas and Rossi-Hansberg (2002) and Fujita and Ogawa (1982, 1989) develop urban models in which economic activity self-organizes due to spillovers in production. However, Fujita and Ogawa (1982, 1989) show that rents and employment density are flat or falling as the city center is approached, while in the simulations of Lucas and Rossi-Hansberg (2002) rents rise at an increasing rate towards th...

This paper looks at the impact of high technology employment concentrations on urban sprawl. A methodology for translating spatial employment patterns, into place of residence patterns, is presented. On this basis, the consumption of land at the urban fringe due to both residential and nonresidential uses, is estimated. The method is tested empirically using data relating to the two main outer ...

Centralized collection and disposal is an integral component of waste management strategies for many solid and liquid wastes, and carbon capture and storage is currently being considered for gaseous waste. In this paper we show how collective waste disposal systems introduce essential changes in the design of optimal environmental policy. Absent collective disposal, an optimal environmental pol...

Available online 13 May 2008 This paperpresents a difference in the comparative statics of general equilibriummodelswith land when there are finitely many agents, and when there is a continuum of agents. Restricting attention to quasi-linear and Cobb–Douglas utility, it is shown that with finitely many agents, an increase in the (marginal) commuting cost increases land rent per unit (that is, l...

Parcel data on residential land conversion are used to investigate how land use externalities influence the rate of development and modify policies designed to manage urban growth and preserve open space. Several ‘‘smart growth’’ policies are found to significantly influence land conversion, including a development clustering policy that concentrates development and generates preserved open spa...

Endomucin is a membrane-bound glycoprotein expressed luminally by endothelial cells that line postcapillary venules, a primary site of leukocyte recruitment during inflammation. Here we show that endomucin abrogation on quiescent endothelial cells enables neutrophils to adhere firmly, via LFA-1-mediated binding to ICAM-1 constitutively expressed by endothelial cells. Moreover, TNF-α stimulation...

Tomato (Solanum lycopersicum) production is affected by different diseases andTomato yellow leaf curl virus (TYLCV) the most prevalent and devastating begomovirus. Tyresistant cultivars were developed Asian Vegetable Research Development Center (AVRDC)Taiwan, using combinations of Ty genes to observe pyramiding effects on resistance againstvarious Begomoviruses. Cultivars containing grown in gl...

a r t i c l e i n f o JEL classification: R14 R52 Keywords: R14 Land use patterns R52 Land use and other regulations This paper expands empirical testing of the predictions of the standard monocentric urban model to examine the size of urban spatial expansion for all US metropolitan regions for the years 1980, 1990 and 2000. Until recently, the lack of temporally and spatially-consistently inte...

Abstract The current research of tire aerodynamics mainly focus on the isolated and simplified tread tire. Compared with real complex pattern tire, structure deformed profile a loaded has greatly influence aerodynamic drag. However, mechanisms tires different patterns effects drag are subjects worthy discussion. purpose this study is to experimentally computationally investigate characteristics...