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Six hens pecked a key (Experiment 1) or pushed a door (Experiment 2) to obtain food reinforcement. In both experiments and as an analogue of price changes, the response requirements were varied in two ways: by increasing the number of responses required and by increasing the required force of each response. The two price manipulations (response number and response force) had different effects o...

In this paper we study the impact of reference pricing (RP) on entry of generic firms in the pharmaceutical market. For given prices, RP increases generic firms’expected profit, but since RP also stimulates price competition the impact on generic entry is theoretically ambiguous. In order to empirically test the effects of RP, we exploit a policy reform in Norway in 2005 that exposed a subset o...

We study the impact of regulatory regimes on generic competition and pharmaceutical pricing using a unique policy experiment in Norway, where reference pricing (RP) replaced price cap regulation in 2003 for a sub-sample of off-patent products. We exploit a detailed panel dataset at product level covering a wide set of off-patent drugs before and after the policy reform. Off-patent drugs not sub...

Real-world stock markets are volatile and express such traits as overvaluation, psychological moods, cycles and crashes. This paper develops and explores a model which has these properties. The model is aggregated, continuous and non-linear. It is developed in stages. In the initial stage it is applied to the price dynamics of one type of stock only. Later on it is applied to a weighted price i...

this paper examines the effects of agricultural land productivity improvement on the economy of iran assuming that the domestic and international trade liberalizations will open up the opportunities to expand market access. a 25-sector computable general equi-librium model was developed to simulate the effects of this policy. the simulation results indicate that enhancing agricultural land prod...

in iran the mainstreaming tool for integrating environmental concerns into energy sector is an energy-environment review (eer-iran). this paper comprises: (i) an analysis of the current situation with regards to energy production and consumption; (ii) an evaluation of the growth prospects with regard to energy production and consumption; (iii) the identification of environmental issues induced ...

Japan’s dairy industry is under heavy governmental regulation. This has serious consequences; for instance, controls on the imports of butter leads to periodic butter shortages. The collection of raw milk from farmers is monopolized by agricultural cooperatives in the region, which blend the raw milk from many farmers and sell it to dairy processing firms. Therefore, there is no opportunity for...

A reform of the Eurosystem's inferior monetary-policy strategy is increasingly urgent, as noted by a number of observers. For instance, a recent extensive CEPR report finds the that the prominent first pillar of the Eurosystem's strategy, the money-growth indicator, " looks increasingly ridiculous, giving perverse signals that the ECB probably ignores " , and that it is " flawed beyond repair–b...