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This paper argues that developing economies may face a trade-off between specializing according to existing comparative advantage (in low-technology goods), and entering sectors in which they currently lack a comparative advantage, but may acquire such an advantage in the future as a result of the potential for productivity growth (in high-technology(More)
A computer-aided training program was developed in SuperCard and piloted with professional painters. Taking a modern programmed-instruction/behavioral-education approach, cTRAIN is structured as a series of information sets. Each information set consists of a series of information screens (three to five recommended) followed by quiz screens (one to three(More)
The Internet, a system of intercon-The Internet' is a loosely organized system of interconnected computer netted computer n&works primarily in the USA, can be seen as an experiment networks, which primarily serves the research and education commun-in the development, deployment and ity. Its large and growing community of sophisticated users, the diversity(More)
We consider a model of decentralized exchange where individuals choose the set of goods they produce. Specialization involves producing a smaller set of goods and doing it more proÞciently. In doing so, agents reduce production costs, but also reduce the ease of trading their output. We derive the equilibrium degree of specialization and examine how it is(More)
Ten individuals, residing in a treatment facility specializing in the rehabilitation of sex offenders with developmental disabilities, participated in an arousal assessment involving the use of the penile plethysmograph. The arousal assessments involved measuring change in penile circumference to various categories of stimuli both appropriate (adult men and(More)
We develop a dynamic general-equilibrium model of rational addiction to study the decisions concerning nonaddictive and addictive goods consumption, savings, labor supply, and production. The model consists of two-period lived overlapping generations and two separate theaters of economic activity: a composite good and an addictive good sector. We determine(More)
Empirical evidence indicates that monetary policy is not super-neutral in many countries. In particular, in high inflation economies, inflation is negatively related to economic activity. By comparison, inflation may be positively correlated with output in low inflation countries. We present a neoclassical growth model with money in which the incidence of(More)