We suggest two nonparametric approaches, based on kernel methods and orthogonal series, respectively, to estimating regression functions in the presence of instrumental variables. For the first time in this class of problems we derive optimal convergence rates, and show that they are attained by...

Following the earlier work of SMAILES, 1944, and SMITH, 1968, the changing urban hierarchy of England has been plotted for 1913, 1938, 1965 and 1998, using two alternative composite measures: an urban hierarchy embodying a number of different measures of urbanity; and a retail hierarchy based on...

HALL P. (1997) The future of the metropolis and its form, Reg. Studies 31, 211-220 In this paper, echoing the spirit and purpose of Michael Chisholm's best work, I discuss the economics of alternative patterns of land use and development. First, the paper revisits Anglo-American debates from the...

Purpose – Highly-skilled knowledge workers make location decisions in response to many determinants. This paper seeks to focus on life-time earnings and the desire to pursue a personal research program – a life-long pursuit of interesting puzzles. Design/methodology/approach – A conceptual...

Dedicated to the goal of furthering evolutionary economic analysis, this book provides a coherent scientific approach to deal with the real world of continual change in the economic system. Expansive in its scope, this book ranges from abstract discussions of ontology, analysis and theory to...