The current study explored the predictive validity of the Global Deficit Score (GDS) approach
in summarizing neuropsychological (NP) test results, and specifically in detecting HIV-…

We document how manipulation of a targeting system for social welfare programs evolves
over time. First, there was strategic behavior of some local politicians in the timing of the …

We examine how social relationships are related to pro-environment behaviors. We use new
data from a nationally representative US sample to estimate latent cluster models in which …

We examine whether the Colombian government's expansion of social programs in the early
1990s, particularly the publicly provided health insurance, discouraged formal employment. …

This paper estimates the effect of enrollment in a large scale anti-poverty program in Colombia,
Familias en Accion, on intent to vote, turnout and electoral choice. For identification the …

Methamphetamine (MA) dependence is associated with deficits in episodic verbal memory,
but the cognitive mechanisms underlying such impairments are not known. The authors …

The Test of Memory Malingering (TOMM) has not been adequately validated in a forensic
psychiatric setting. Dissimulation of cognitive impairment, as assessed by the TOMM, was …

Previous studies indicate that Colombian farmers make production decisions based on
informal sources of information, such as family and neighbors or tradition. In this paper we …

Colombia’s rapid and considerable expansion of health insurance coverage in the 1990s
provides an opportunity to evaluate in a developing country whether health insurance …

Small-scale farmers in developing countries often make production and sale decisions based
on imprecise, informal, and out-of-date sources of information, such as family, neighbors, …