Numerous studies regress log earnings on schooling and report estimated coefficients as
“Mincer rates of return”. A more recent literature uses instrumental variables. This chapter …

Background We consider the evidence for the proposition that the early phase of psychosis
(including the period of untreated psychosis) is a critical period'in which (a) long-term …

A review of published literature on the sensitivity of corals to turbidity and sedimentation is
presented, with an emphasis on the effects of dredging. The risks and severity of impact from …

This paper presents the findings of two studies that replicate previous work by Fred Davis on
the subject of perceived usefulness, ease of use, and usage of information technology. The …

The Technology Acceptance Model and two variations of the Theory of Planned Behavior
were compared to assess which model best helps to understand usage of information …

This paper considers whether it is possible to devise a nonexperimental procedure for
evaluating a prototypical job training programme. Using rich nonexperimental data, we …

This paper applies cross-sectional and longitudinal propensity score matching estimators to
data from the National Supported Work (NSW) Demonstration that have been previously …

This paper develops and applies semiparametric econometric methods to estimate the form
of selection bias that arises from using nonexperimental comparison groups to evaluate …

In general, perceptions of information systems (IS) success have been investigated within
two primary research streams—the user satisfaction literature and the technology …

Much fascination and speculation surrounds the impact of the World Wide Web on consumer
shopping behavior. At the same time, there is little empirical evidence underlying all this …