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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Psychopharmacology 107 (1992), S. 211-216 
    ISSN: 1432-2072
    Keywords: Behavioral economics ; Drug self-administration ; Reinforcer interactions ; Concurrent reinforcers ; Cigarette smoking ; Coffee drinking ; Humans
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In behavioral economics, consumption of a reinforcer is determined by its price and by the price of other available reinforcers. This study examined the effects of price manipulations on the consumption of concurrently available coffee and cigarettes. During fifteen 4-h sessions, coffee and cigarettes were concurrently available according to fixed-ratio (FR) schedules of reinforcement. After consumption stabilized under a fixed ratio 100 for both reinforcers, the response requirement for each reinforcer was varied separately (i.e., FR 100, 1000 and 2500), while the response requirement for the other reinforcer was kept at 100. Increasing the FR value decreased coffee and cigarette consumption to a similar degree. Also, as the price for cigarettes increased (and consumption decreased), coffee consumption decreased; however, as the price of coffee increased, cigarette consumption did not change. These results indicate that for this setting the reinforcing effects of cigarettes and coffee were comparable but interacted asymmetrically. These findings when analyzed and quantified via economic concepts of own-price and cross-price elasticity illustrate the viability of using behavioral economics to examine drug self-administration in a choice paradigm.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2072
    Keywords: Key words Schizophrenia ; Psychopathology ; Fixed-ratio schedule ; Cigarette smoking ; Nicotine ; Alternative reinforcer ; Substance abuse ; Dual-diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cigarette smoking and other forms of drug abuse are more prevalent among schizophrenics than the general population. Despite the clinical importance of this problem, there has been relatively little experimental study of schizophrenic drug use. We examined under controlled laboratory conditions the effects of response requirement and the availability of an alternative (monetary) reinforcer on cigarette smoking by schizophrenics. Subjects were six heavy smokers with diagnoses of schizophrenia or schizoaffective disorder. Before each session, subjects provided carbon monoxide samples indicating recent smoking abstinence. During 3-h sessions, subjects obtained opportunities to smoke (2 puffs/opportunity) under a fixed ratio (FR) schedule of reinforcement, which varied across sessions from FR50 to FR6400. In half of the sessions, subjects also were able to earn a small amount of money ($0.25/ratio completed) under an FR400 schedule. Increasing the response requirement for smoking decreased smoking and increased smoking-maintained responding. The availability of the monetary reinforcer decreased smoking and smoking-maintained responding by approximately half. These results are consistent with those seen previously in community volunteers without major mental illness studied under the same experimental conditions, suggesting that smoking by these two populations is controlled, at least in part, by a common set of determinants.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Psychopharmacology 108 (1992), S. 1-10 
    ISSN: 1432-2072
    Keywords: Nicotine regulation ; Behavioral economics ; Microeconomics ; drug selfadministration ; Cigarette smoking ; Unit price ; Demand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The maintenance of a characteristic level of nicotine in a smoker's body is referred to as nicotine regulation. Considerable research has examined this question of whether smokers regulate nicotine intake. This is because nicotine regulation raises the question of whether smokers who, to decrease their intake of tar, switch to low tar/low nicotine cigarettes will increase the number and/or intensity of cigarettes smoked. Although the results of studies examining nicotine regulation are reported as generally consistent, considerable variability exists across these analyses such that the health hazards of smoking low tar/nicotine cigarettes remains uncertain. In the present analysis, these studies were analyzed to ascertain whether a behavioral-economic interpretation could better quantify the effects of changing nicotine yield on individuals' nicotine and smoke consumption. Specifically, 17 nicotine-regulation studies were reanalyzed using a unit-price analysis (i.e., cost-benefit analysis). The reanalysis showed less variability across regulation studies than previously reported; a positively-decelerating demand curve was found across most studies, consistent with previous unitprice analyses of food- and drug-maintained behavior. The benefits of this reanalysis versus the traditional regulation interpretation are that the behavioral economics approach: 1) brings unity to a variable set of data, 2) shows a nonlinear relationship, previously considered to be linear, between nicotine consumption and nicotine yield, 3) shows that nicotine yields higher, and not lower, than the smoker's usual brand decrease smoke consumption and thus decreases consumption of the harmful agents in tobacco, 4) better quantifies the data and provides a more parsimonious interpretation that generalizes to other drugs and food-maintained behavior in humans and nonhumans and, 5) integrates behavioral and pharmacological factors that control the consumption of reinforcers. These results suggest the value of behavioral economics in the study of consumptive behaviors and clinically suggest, in agreement with the studies contained herein, that decreasing the smoker's usual nicotine yield can have potential healthrisks for smokers who are unable to stop smoking.
    Type of Medium: Electronic Resource
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