This paper gives a solution to the problem of estimating coefficients of index models, through
the estimation of the density-weighted average derivative of a general regression function. …

Emissions of carbon dioxide from the combustion of fossil fuels, which may contribute to long-term
climate change, are projected through 2050 using reduced-form models estimated …

Let (x 1 , …, x k , y) be a random vector where y denotes a response on the vector x of predictor
variables. In this article we propose a technique [termed average derivative estimation (…

The global expansion of urban slums poses questions for economic research as well as
problems for policymakers. We provide evidence that the type of poverty observed in …

This paper studies the estimation of coefficients B in single index models such that E(y@?X)
= F(@a+X'@B), where the function F is misspecified or unknown. A general connection …

This work was funded by National Science Foundation Grant SES 9122886. I have received
numerous valuable comments from many individuals, comprising a list that is too long to …

This survey covers recent solutions to aggregation problems in three application areas,
consumer demand analysis, consumption growth and wealth, and labor participation and wages. …

IN 1991, THE AVERAGE US HOUSEHOLD spent $1,161 for motor vehicle fuel, and household
vehicles accounted for 31 percent of US petroleum consumption and 13 percent of total …

Parkinson’s disease is an increasingly common neurodegenerative condition, which causes
not only dysfunction of movement but also a broad range of nonmotor features, including …

Parkinson’s disease (PD) is a common neurodegenerative disease typified by a movement
disorder consisting of bradykinesia, rest tremor, rigidity, and postural instability. Treatment …