The effects of reinforcer magnitude and response requirement on pigeons' say choices in an experimental homologue of human say-do correspondence were assessed in two experiments. The procedure was similar to a conditional discrimination procedure except the pigeons chose both a sample stimulus (the say component) and a comparison stimulus that corresponded to it (the do component). Corresponden...

This paper analyses the so-called 'Draft Treaty of Amsterdam' of 19 June 1997, focusing on the changes concerning the institutions and the decision-making procedures. It is argued that the sum of envisaged changes will considerably alter the institutional balance between the three main actors, i.e. the Commission, the Council and the European Parliament. The latter, in particular, will have an ...